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Next video: Ghost Galaxies

0:00

MAC$0647-JD

0:28

Gravitational Lensing

0:55

13.3BN Light Years

1:16

OBSERVABLE UNIVERSE

1:35

93BN Light Years

2:33

BEYOND THE COSMIC HORIZON

3:11

COSMIC EVENT HORIZON

4:33

46,000,000,000 Light Years

5:45

Causally Disconnected

6:33

Reachable Universe

7:54

68 Kilometers / Second (per Megaparsec)

8:11

1 MpS = 3.26M Light Years

9:15

High z Supernova Search Team

9:35

DARK-ENERGY-DOMINATED ERA

10:15

Dark Energy

13:44

INFINITE UNIVERSE THEORY

15:53

MILKDROMEDA

Ghost Galaxies

Ghost Galaxies

Sea 1997

Conspiracy Cases

Sea1997

Sea

1997

Space

OOTW

Out of this world

astronomy

science

the cosmic horizon

edge of the universe

observable universe

furthest galaxy ever

macs0647-jd

universe accelerating faster than light

light speed

galaxy

unobservable universe

light travelling

reachable universe

megaparsec

expansion

galaxies receding

void

space

dark energy

dark matter

cosmological constant

relativity

how big is the universe

infinite universe

milkdromeda

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in November 2012 NASA astronomers

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observed a new galaxy named M ACS 0 6 4

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7 JD this galaxy

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despite being smaller than the Milky Way

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was one of the most intriguing we've

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ever discovered there was only revealed

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thanks to an amazing natural phenomenon

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the galaxy was picked up using nasa's

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hubble telescope and they're also the

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Spitzer telescope it was only made

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possible by a phenomenon known as

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gravitational lensing this occurs when

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the photons emitted from a luminous

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object are bent and warped by the

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gravity of a massive object usually a

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galaxy in this case however ma si s his

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light was magnified by not just an

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intercepting galaxy but by an entire

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galaxy supercluster as such as of the

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making of this video

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ma si s 0-6 for 7jd remains the farthest

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galaxy we have ever observed with an

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estimated distance of about thirteen

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point three billion light years from

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Earth it verges on the very edge of the

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universe or does it we live at a vast

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open dimension with an estimated age of

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just under 14 billion years old we know

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this because the oldest visible light we

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have ever observed is around this age

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the furthest light we can see in the

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universe makes up the boundaries of what

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we perceive as the observable universe

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even if the universe was expanding at

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the speed of light the observable

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universe should only have a maximum

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diameter of just under 28 billion light

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years based on its age and yet given our

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estimations of redshift it seems as if

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our own observable universe is as

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voluminous as to be over three times

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that size around 93 billion light years

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in diameter what lies at the edge of or

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indeed beyond the convoluted boundaries

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of this observable universe is still a

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mystery but there's an even bigger one

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lurking beyond the Twilight curtain

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thanks to our redshift analysis we know

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that some galaxies including ma cs0 640

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7jd are receding away from us at a rate

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faster than the speed of light while

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their oldest light is still being

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emitted and is only just reaching us we

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now know that these galaxies have since

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disappeared over the cosmic horizon and

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these parts of space will never be

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reachable again

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but how can this be why has the universe

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expanded faster than the speed of light

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why are distant galaxies receding away

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from us in the first place

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and furthermore why are they speeding up

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as they go to beyond Lightspeed

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velocities it's no impossible to look

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out at the night sky and wonder why are

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so many facts of astrophysics seemingly

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challenged when we begin to look towards

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the edge of the void

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the so-called observable universe is a

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spherical region independent to the

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structure of the entire universe which

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encapsulates all the light and matter

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that is observable to us here on earth

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the observable universe has become

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synonymous with our study of the cosmos

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but every point in space has its own

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arbitrary observable universe as such

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there is a barrier when once crossed

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things are no longer visible to any

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particular point as light has not had

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enough time to reach that area this

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boundary is known as the cosmic event

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horizon our observable universe grows at

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the speed of light so any anomaly

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disappearing over the cosmic horizon

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would hypothetically speaking need to

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move faster than light in order to

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escape from our field of view this

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should be impossible according to

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special relativity and yet this is

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exactly what as many as an estimated

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96.4% of all galaxies we have ever

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observed have already done the light

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reaching is now is essentially

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eliminating a galactic hologram although

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a constant visible stream of protons is

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a sure thing for billions of years to

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come those galaxies in question are now

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physically unreachable to us by any

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known methods of travel according to

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special relativity but they're older

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light will serve as a sort of replay for

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their past looking towards the edge of

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the observable universe for this early

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light is actually very useful to us here

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on earth providing a clear glass pane

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into the distant past of our universe

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not only has this helped us to determine

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his estimated age but we've also been

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able to piece together its life cycle by

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looking back through the various stages

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of its development we often see black

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holes swelling gaps on there accretion

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disks to create quasars in the earliest

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reaches of the historic light we also

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see young galaxies and a much more

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volatile and unpredictable universe in

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general our observable universe is

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estimated to be 93 billion light years

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in diameter but the farthest objects we

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have ever observed before the cosmic

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horizon seemed to sit about 46 billion

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light years into the void so why is this

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why are we still left with this

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unanswered question how can the

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observable universe be larger than the

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age of the universe multiplied by the

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distance traveled by the light within

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well it's a difficult idea to consider

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when looking up at the stars in our own

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galaxy there is always a consistent

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latency that never changes the light

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being emitted from our neighboring star

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Proxima Centuri takes around four years

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to reach us and that is a consistent

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delay that doesn't change but with extra

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galactic observations there is no

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consistent latency our universe is

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expanding a different race based on what

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has been through matter neutrinos

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radiation etc and we are moving through

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space too as such the light emitted from

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an object voids very close to us such as

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the early formation of the MHCs galaxy

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once faced an intergalactic journey

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across ever expanding space to reach our

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eyes some 13 billion years on we now

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estimate that this galaxy and many other

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objects at the edge of the observable

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universe to be as far as 46 billion

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light years away and it's light would

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never possibly reach us now having

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passed the boundary in which light's

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speed and the universe's age no longer

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cooperate beyond this barrier the

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universe becomes causally disconnected

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from the observable universe in other

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words segmented detached fragmented and

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divided this explains why ma cs0 6:47 JD

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appears to be so young as small for such

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a seemingly old galaxy it formed very

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soon after the universe's creation a few

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hundred million years after the Big Bang

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hypothetically but the light is emitting

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has been on an absolutely enormous

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intergalactic journey this observed

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phenomenon of increased speed of

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expansion could potentially mean there

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may be up to two trillion galaxies for

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up to observe in the future as opposed

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to the several hundred billion excess we

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used to believe in the future our

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observable universe is expected to grow

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and our field of view is expected to

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extend but keep in mind that there is a

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clear disparity between the observable

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universe and what we know as the

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reachable universe the reachable

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universe is what you'd expect the area

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before the cosmic horizon where we could

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still reach distant interstellar and

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perhaps intergalactic objects given

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enough time beyond the cosmic horizon

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well nobody really knows what lies

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beyond it we don't know what actually

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happens to galaxies once they pass over

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while we presume that it is just more of

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the same stars galaxies planets and

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black holes we do not know if there is

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anything beyond and

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is not just a massive void or a physical

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edge but it is a likely scenario that

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more of the same does exist beyond the

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boundary and if you thought a 93 billion

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light years spanning observable universe

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was vast no-man's land will blow your

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mind away at 93 billion light years the

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observable universe can seem almost

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incomprehensible large but then you

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realized that its entire expanse barely

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even scratches the surface of the total

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isolated universe beyond the barrier

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while we never know for sure is very

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likely that the expanse beyond the

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cosmic horizon could be hundreds

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thousands or even millions iams larger

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than the observable universe but the

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question is how the universe should not

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be anywhere near this large in fact when

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it was approaching the halfway point of

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its life so far we think it may have

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even started to slow down in its

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expansion the current estimated rate of

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expansion of the universe is about 68

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kilometers per second per megaparsec

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this is not a sphere expanding uniformly

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either this is empty space being

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elongated in every direction

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thanks to unknown natural forces though

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the universe is expanding our 68

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kilometers a second this is per

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megaparsec a mega parsec is a unit of

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distance equivalent to about 3.2 6

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million light-years so for every 3.2 6

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million light-years further away from us

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you travel the faster the universe

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appears to be expanding for example just

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over 6 million light years from Earth

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the universe is expanding at about two

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hundred and four kilometers per second

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from our perspective intergalactic

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distances the speed of recession reaches

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extremely high velocities eventually

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reaching a distance at which it

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supersedes the speed of light the laws

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of special relativity say that nothing

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can move faster than the speed of light

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of course but special relativity is a

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local domain right now you can't

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personally jump onto a spaceship and

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move faster than light but when

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comparing and contrasting intergalactic

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distances from one another this

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restriction becomes a lot less clear-cut

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the metric itself is not ruled out but

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that's just the apparent speed of the

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galaxies receding we still haven't

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covered why space itself is expanding

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faster than life or why the universe is

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so much unimaginably bigger than the

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expected dimensions well it was through

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the receding galaxies that this question

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was asked in

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in 98 and it prompted the hyzer

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supernova search team of whom three of

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the members won nobel prizes to research

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this they concluded that the universe

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had experienced the vast majority of its

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unsolicited growth in the second half of

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its life before this the university

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expansion was actually believed to be

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slowing down due to the gravity of large

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objects from within before a stage in

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the universe's life known as the dark

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energy dominated era began about 6

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billion years ago dark energy is a

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fascinating concept we know very little

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about you've probably heard of the terms

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dark energy and dark matter used

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synonymously but where is dark matter is

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a form of matter that could constitute

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some kind of undiscovered particle dark

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energy is a form of unknown energy that

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exists within the vast empty Suede's of

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the universe with the theory of general

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relativity the accelerated expansion of

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the universe can be explained by a

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positive value within the cosmological

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constant an equation proposed by Alfred

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Einstein to determine the energy density

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of space this positive presence can also

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be described as vacuum energy or by His

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better known term of dark energy though

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we never have observed it we have seen

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light distorted by the aforementioned

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phenomena of gravitational lensing in

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seemingly empty areas this suggests that

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dark energy doesn't seem to interact

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with normal baryonic matter that we know

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of and only seems to be influenced by

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gravity dark energy may not even be a

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physical presence per se either and

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could just be a property of the

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universe's emptiness but failing that it

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is believed to be highly homogeneous and

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has a low-density dark energy is

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evidenced by the need for an additional

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type of energy that is not matter or

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dark matter given that the universe

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appears to have expanded more in the

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latter half of his life principally

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something must be driving this fast and

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a light expansion large-scale mass

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density wave patterns also lend

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credibility to dark Energy's existence

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but that tells us nothing about why it

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exists why is it pushing space apart why

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is it moving faster than light why is it

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only present in the darkness we only

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know mathematical equations that allow

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us to guess at its nature but assuming

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the current models of cosmology are

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correct dark energy is estimated to

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account for as much as two-thirds of the

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entirety of energy within the

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universe notwithstanding the rest of it

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now compare that to a 27% share of dark

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matter and a mere 5% of the matter that

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we already know and understand hunting

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questions aside if dark energy is

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driving the universe's aggressive

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expansion beyond the speed of light and

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how big is it not just the observable

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universe but the total universe well

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there are many conflicting theories and

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ideas and a range of estimated values

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out there one theory actually

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contradicts the idea of a larger

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unobservable universe stating that the

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universe may only be about 78 billion

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light years in diameter

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Neil Cornish at owl released the paper

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stating that the universe may actually

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only be 98.5 percent of the expected

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range of the cosmic microwave background

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radiation map but his tests on the CMB

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failed to find any evidence of finite

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boundaries as such distance even then

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some people still believe that the

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observable universe may be the total

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size are even larger than its entirety

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why do we see galaxies beyond the

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estimated size well it has been argued

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that these could well be reflections if

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the universe curves on itself then

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photons could hypothetically

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circumnavigate with the gravity and the

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edge of the universe and with hundreds

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of billions of distant galaxies in the

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observable universe we'd have no way of

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ever matching a galaxy to a possible

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reflection and no way of ever knowing if

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we'd found an authentic galaxy that

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being said there are many more lines of

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proof to contradict these theories than

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prove them other estimates range from

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between 156 billion light years to 180

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billion in correctly inferred from the

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78 billion figure that was misconstrued

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as a radius not a diameter a more

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rigorous method of testing would be to

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measure the positive and negative

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curvature of what we believe to be the

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spatially flat universe this is just

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what the Sloan Digital Sky Survey and

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the Planck satellite aim to do and

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concluded that due to the lack of a

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defined curvature from the survey space

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our observable universe may be as little

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as point to 5% of the radius of the

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total universe no meaningful curvature

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was detected and so a vastly larger area

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would be required for such an expected

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curve this equates to a staggering 23

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trillion light year radius around 15

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million times more voluminous than our

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observable universe is entire expand

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what is scary is that this estimate may

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actually be quite pessimistic the rule

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sights could significantly be bigger

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than even 23 trillion light years in

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radius if we go all the way up the

00:13:42

estimates become to the infinite

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universe theory given the sheer size

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difference a mystery surrounding dark

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energy some believe that the total

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unobservable universe may actually be

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endless after all if it execs banding

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then what is on the outside that is

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independent it's hard to believe that

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there is simply nothing outside of an

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arbitrary boundary and if the Big Bang

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truly happened everywhere then why

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couldn't it be infinite as numbers climb

00:14:07

and estimates grow larger and larger

00:14:09

more and more people are adopting the

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theory that the universe outside of what

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we can observe may actually go on

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forever wherever the case the expansion

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of the universe is just a mind-bending

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concept to grasp the universe is not

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technically expanding into anything and

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technically no space on the exterior is

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required for the interior to grow it

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truly numbs the mind space is incredible

00:14:31

and it may just be hiding yet more weird

00:14:33

wonderful and eve of physics defying

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properties in its darkness with over 96%

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of the galaxies we can currently observe

00:14:47

having disappeared over the cosmic

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horizon the same fate awaits the vast

00:14:51

majority in the distant future thanks to

00:14:53

dark matter and the period after cosmic

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inflation or galaxies from our position

00:14:58

are bound to either be drawn to us or to

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cross the cosmic horizon and be lost

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forever with no in-between with the

00:15:04

universe's vastness it's quite

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anticlimactic to think that even if we

00:15:08

successfully develop near light speed

00:15:09

travel the farthest we could ever hope

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to reach would be the distant minor

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galaxies of the local group cosmic

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inflation was an event that forced the

00:15:17

universe from a miniscule size into an

00:15:19

expanding gargantuan cosmic chamber that

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has become today and with it most matter

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was flung beyond our reach gravity has

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helped to bring back galaxies like

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Andromeda and the rest of the local

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group to within our grasp but the truth

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is that's it everything else has escaped

00:15:34

our clutches and hence will in time

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cross the cosmic horizon and become

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causally disconnected and become

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unreachable forever

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the local group is our pocket or segment

00:15:44

and as such the gravity of all the

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objects will eventually draw near by

00:15:48

Messier objects together into one big

00:15:50

super elliptical galaxy named milk

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durometer if humanity was to be able to

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retain the presence and capabilities to

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observe the skies for billions of years

00:15:57

beyond this point then eventually we

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will see the observable universe expand

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by a third to about sixty two billion

00:16:04

light years revealing another two

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trillion galaxies to observe from afar

00:16:08

but soon after the photonic relays of

00:16:10

the four GaN galaxies will begin to be

00:16:12

redshifted all the way into the

00:16:13

microwave and radio wave spectrum

00:16:15

disappearing from view this is similar

00:16:18

to what we believe happens at the event

00:16:19

horizon of a black hole and the oncoming

00:16:22

curtain of darkness and nothingness

00:16:23

enveloping a visible universe of

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trillions of galaxies from the outside

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inwards is an unsettling thought to say

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the least

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eventually the entire observable

00:16:32

universe will slowly fade from view

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eventually leaving only milk dromeda

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bounding everything within the local

00:16:38

group by gravity and excluding

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everything else we will be down to our

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last trillion stars from us perspective

00:16:45

anyway when our galaxy is left alone

00:16:47

completely then it may become much more

00:16:49

accommodating to intelligent life most

00:16:51

of the early universe hazards that made

00:16:53

it such a harsh place will have subsided

00:16:55

with the lower density of space that

00:16:57

means that all of the billions of

00:16:58

habitable planets left within McDonald

00:17:00

will stand a much better chance of

00:17:02

producing intelligent life but by the

00:17:04

time any sort of civilization emerges

00:17:06

there will be no other galaxies or

00:17:08

anything besides our own in VA they will

00:17:11

never be able to observe distant

00:17:12

galaxies and will never be able to learn

00:17:14

as much about the universe as we have

00:17:16

perhaps they will practice the belief of

00:17:18

the island universe theory an early

00:17:20

belief for Andromeda when it was first

00:17:22

discovered space will simply become something that

00:17:24

stops at the edge of the galaxy and they

00:17:27

will never know that the galaxy is one

00:17:29

in an expanse of trillions even if they

00:17:32

manage to speed off into the unknown at

00:17:34

life speed they would never find

00:17:36

anything in the darkness they'll never

00:17:38

have the opportunity to see distant

00:17:40

stars galaxies mega coasters black holes

00:17:43

quasars

00:17:44

it will all be too late and they will

00:17:46

never know what they missed

00:17:48

as such it does seem as if we exist at

00:17:50

the perfect time to observe study and

00:17:52

comprehend the universe we have managed

00:17:54

to develop a profound understanding that

00:17:56

no civilization in the distant future

00:17:58

will ever be able to attain but for all

00:18:00

we theorize about what lies outside the

00:18:02

observable universe the illusion of

00:18:04

galactic solitude in the future does

00:18:06

make you wonder what could we have

00:18:08

already missed what could be the other

00:18:10

side of the cosmic horizon right now how

00:18:12

much more would we stand to learn if we

00:18:14

could see beyond it it is these

00:18:16

mysteries and theories that make

00:18:18

discoveries like ma cs0 6th or 7th JD so

00:18:21

fascinating one day observing distant

00:18:24

galaxies will be impossible all this is

00:18:26

to come in a vast lonely and expansive

00:18:29

universe

00:18:47

you

Description:

Please Note: This is a very old video of mine. Watch the newer, updated HD version of this video: https://www.youtube.com/watch?v=4iC9Qi3y9q8 In 2012, scientists detected the most distant galaxy discovered to date. This galaxy is now expected to be over 46 billion light years from the Earth, at the very edge of the observable universe. But what differentiates the observable universe and the rest of the universe? Today, we examine how a 13 billion year-old universe can be hundreds of billions of light years in diameter, and what might be waiting for us behind the barrier of the cosmic horizon. Captions by Kino Sen: https://www.youtube.com/channel/UCM-pNqfHVKFshOI2oI6-MTA Do you use these videos to sleep or for night time watching? Check out the new sleeping space playlist, a collection of my most chilled out and ambient videos. https://www.youtube.com/playlist?list=PLkoaIad9k4NIlsG6g-almaZH6MzR_T5eV You can now support me on Patreon: https://www.patreon.com/sea_media Patrons get ad-free access to my videos, and also get early access sneak peaks! Alternatively, you can become a channel member through YouTube: https://www.youtube.com/seaMedia/join All support is hugely appreciated and helps me in my full-time job of creating these videos! FOOTAGE: - Observable Universe Logarithmic Illustration: https://www.facebook.com/unsupportedbrowser (Artist: https://www.youtube.com/channel/UCPOu7Xqg4jqrO4o3MZm-Baw) - 8 Minute Space Journey: https://www.youtube.com/watch?v=Un5SEJ8MyPc - Green Nebula Fly-by: https://www.youtube.com/watch?v=JbC6KVzn-m0 - Cruising Through: https://www.youtube.com/watch?v=EaM9kDPa_AY - Light Travelling Demonstration: https://www.youtube.com/watch?v=3OiSoptcEDs - Particles: https://www.youtube.com/channel/UCDyoFl3axaufRwkpBA38-1w - Galaxy Loop: https://www.youtube.com/watch?v=7NyEX8DjOTw - Earth Footage: https://www.videezy.com/ - Star Trails from Earth: https://www.videezy.com/ - Milky Way & Andromeda Collision: - Nebula 360: https://www.videezy.com/ - Pixel Orb: https://www.videezy.com/ MUSIC: - CO.AG: This Fascinating World https://www.youtube.com/watch?v=hhe9NYL8XOU - Chris Zabriskie: Stories About the World That Once Was https://soundcloud.com/chriszabriskie/stories-about-the-world-that-once-was?in=chriszabriskie/sets/music-from-neptune-flux - Chris Zabriskie: They Call it Nature https://soundcloud.com/chriszabriskie/they-call-it-nature - Popular Playlists! - • Creepy Playlist: https://www.youtube.com/playlist?list=PLkoaIad9k4NIrIs-70DHJiDPXXFvRjWQQ • Out of this World: https://www.youtube.com/playlist?list=PLkoaIad9k4NLnx_B2gliyI2BAcDTSAqyc • Conspiracy Cases: https://www.youtube.com/playlist?list=PLkoaIad9k4NLsCNkBahU1M72TDoU3pT2E • G-News: https://www.youtube.com/playlist?list=PLkoaIad9k4NI8dPOe91lj7URqAwEAxE1r - Out of this World - • The Fermi Paradox: https://www.youtube.com/watch?v=lFypvFYO7LQ • The Cold Spot: https://www.youtube.com/watch?v=PQHhLHh_8go • Bootes Void: https://www.youtube.com/watch?v=SPtSBLpyBu4 - Conspiracy Cases - • 11B-X-1371 Mystery: https://www.youtube.com/watch?v=FK314DWnPGs • Dyatlov Pass Incident: https://www.youtube.com/watch?v=zkdAUESx7Vk • Denver Airport Conspiracy: https://www.youtube.com/watch?v=mUKHMGDe6-w - GD - • G-NEWS: https://www.youtube.com/playlist?list=PLkoaIad9k4NI8dPOe91lj7URqAwEAxE1r • "The Best Of" Lists: https://www.youtube.com/playlist?list=PLkoaIad9k4NIdirJoC_oLa15RDZEEAFgx • Community Commentary: https://www.youtube.com/playlist?list=PLkoaIad9k4NKT9cOMgCvQcsvizDVtbE0X • Full GD Playlist: https://www.youtube.com/playlist?list=PLkoaIad9k4NLhYr7KSzpK9aWSfXDDkB3x - Maps From Hell Series - • Bloodlust Episode: https://www.youtube.com/watch?v=W1D2Dxvi0cg • Yatagarasu Episode: https://www.youtube.com/watch?v=mmi8db-JV2E • Plasma Pulse Series Episode: https://www.youtube.com/watch?v=-plAW84qvB4

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