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Введение

3:21

Путешествие к Альфе Центавра

11:28

Вглубь Вселенной

16:47

За гранью физики

19:39

Космологические горизонты

23:50

Увидеть конец света

Нам НУЖНО колонизировать Уран! (и Нептун)

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Channel: Artur Sharifov

Почему Мультивселенная существует?

Почему Мультивселенная существует?

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🌌 ГЛАВНАЯ ТАЙНА ЗАРОЖДЕНИЯ ВСЕЛЕННОЙ #shorts #наука #космос

🌌 ГЛАВНАЯ ТАЙНА ЗАРОЖДЕНИЯ ВСЕЛЕННОЙ #shorts #наука #космос

Channel: Homo Deus

За гранью: ужасы бесконечной Вселенной

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Невероятный Парадокс! Найдена Галактика внутри другой Галактики?

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Channel: Hubble

Армен Гюрджинян - Рождение вещества II: От водорода до урана

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Channel: Фонд Траектория

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Как появился наш мир | Олег Верходанов. Памяти лектора

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Channel: Фонд Траектория

айлашкерский

задний двор айлашкерского

вселенная айлашкерского

вселенная

астрономия

физика

наука

научпоп

свет

скорость света

межзвездное пространство

вояджер

быстрее скорости света

путешествие к альфа центавра

интерстеллар

interstellar

космические путешествия межзвездный полет

конец света

смерть вселенной

космологические горизонты

расширение вселенной

большой взрыв

варп-двигатель

космос

альфа центавра

туманность андромеды

ftl

теория относительности

эйнштейн

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join the ceremony of awarding

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knowledge prize I am glad that I am a

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history teacher at the School, this is not only my

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position, enjoy the festive

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atmosphere I create simple step-by-step

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lessons for preschool children and

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find out the names of the best educators in

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the country, watch the broadcast on February 26, follow the

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link in the

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description, the scale of the Universe is unimaginable

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dotted with at least a trillion

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galaxies Azis of light in the desert of pitch darkness of

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stars in our Universe on an order of magnitude

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greater than the cave deserts of our planet an

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absurd number beyond our

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understanding despite the abundance of

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cosmic landmarks The Universe

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is filled with areas of counter-matter

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that are located very far from each

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other If each star was

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reduced to the size of a grain of sand, the

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characteristic distance between each of

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them would be about 10 km; the

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closest star to us, Alpha Centauri,

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is located four light years away, which

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in terms of everyday units is so

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far away that our most distant

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spacecraft, Void 1, will need

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at least another 70 5,000 years to

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overcome such an unimaginable

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distance and this is only the nearest star. The

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nearest Galaxy is more than

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half a million times further away. And when faced with

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such spatial and temporal

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scales, it seems that the Universe simply

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forbids a person to get out of his

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cradle to explore the depths of

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space at such moments, scientists

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tend to think about alternative

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solutions based on exotic

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physics such as warb engines or

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wormholes. But as far as we know in

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practice, they are

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implausible; is it possible for

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interstellar travel using

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modern technologies? Yes, physics contains a

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proven trick that will allow

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us to get even to the edge of the observable

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Universe within one human

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life but not everything is so smooth for this

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journey we will have to pay a very

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high price that you may not even

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immediately want to sign up for this

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adventure future travelers

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will have to pay with the most valuable

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resource that they have time and the reason for

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this is a natural consequence of

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Einstein’s special theory of relativity that What is this consequence and how will it

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affect travel between

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galaxies How to get to the

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Andromeda Galaxy in 30 years Is it possible to

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reach the edge of the universe and what does the

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end of the world and the accelerated expansion of

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the Universe have to do with it? Today we will answer these

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questions by setting off on the farthest

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journey of

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mankind. Let's imagine what we

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have designed a ship capable of

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accelerating with free

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fall acceleration as much as we want.

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This means that every second the speed of

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our ship will increase

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by about 10 m per second. After 10

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seconds or half a kilometer, the ship will

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move at a speed of 100 m per second. And

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in about 15 minutes, our ship

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will overtake the international space

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station, one of the advantages of constant

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acceleration is artificial

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gravity, which is created under the

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constant influence of forces, thanks to

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which life on board would not be much

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different from life on earth. It is known that

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while staying on board the ISS, the

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crew experiences muscle atrophy,

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visual impairment and even

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bone destruction. It is very difficult psychologically

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to be in a state of free fall,

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and on a ship that is

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subject to constant acceleration, such

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problems are simply not observed at first.

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Our ship will move slowly, but

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over time its speed will increase. In

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just 2 hours it will fly past the

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Moon. And in a day and a half it will overtake

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Mars through 3 weeks we will overtake Voyager 1

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and leave the solar system, by which

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time the ship's speed will reach

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approximately 65 million km HF or approximately 6% of the

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speed of light, this is an incredible speed

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of which is still insufficient for the

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effect of the special

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theory of

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relativity to take effect, our ultimate goal is

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Alpha Centauri, as it moves, its

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luminous point Becomes more and

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more bright While the sun in

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the window dims and turns into

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another luminous speck Behind us,

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over the next year, life on

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board will be ordinary every day Our

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ship will move approximately 3

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million km The HF is faster than the day before and very

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soon the crew will face their first

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serious problem, we will no longer be able

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to communicate with our loved ones

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live because the time required for a radio wave to

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travel from the ship to the ground and

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back is now entire months,

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nevertheless you understand that your

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journey will be short-lived and therefore

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the loneliness recedes somewhat When you

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receive regular Letters from home in

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which they tell you about the news of

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your loved ones about the discoveries of science and

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the next global problems after 15

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months the ship overcomes the first

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light year 25% of the journey is behind us but this is not the

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only milestone that we have overcome

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there is more something that scientists call the

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Lawrence coefficient which is given by

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this equation and which is now equal to

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two. This means that the time between

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the ship and the earth has doubled and

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thus to observers on the ground

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it will seem that you are moving

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twice as slow as when you started, the

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special theory of relativity

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is affecting you more and more

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influence, the speed of the ship is already

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approaching 90% of the speed of

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light if the speed of light were not a

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fundamental speed limit in

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nature and you would have overcome this value

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within the next month, but the

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theory of relativity imposes

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restrictions on the maximum speed of

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movement in space along with with this

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you begin to observe confusing

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phenomena. It would seem that the light is moving

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a little faster than the ship, but it is still moving away

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at the same speed as

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when observed from a stationary earth. This is

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due to the fact that the speed of light

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is the only absolute

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value in the Universe. No matter what

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speed the observer did not move for

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him, the light will always travel

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at the same speed of about 300,000

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km per second and therefore the ship will never

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be able to catch up with the light, the consequence of the

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constancy of the speed of light is that

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space and time now become

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unstable, they shift in favor of the

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absolute speed of light, this becomes

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the reason the fact that on Earth

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it seems to observers that our ship began to move

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twice as slow, it’s just that time for us

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began to go twice as fast, the closer we

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get to the fundamental

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speed limit, the stronger the influence of the

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effects of the theory of relativity on us.

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But for the crew of the ship, nothing would

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have changed, it seems time flows like

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usually But we would begin to notice some

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Oddities observed from the porthole,

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soon we would stop receiving news

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from our relatives and then we would lose

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contact with the control center A little more

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and looking back to the sun in its

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place you would find that it

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had dissolved into darkness at the

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Lawrence coefficient equal to two, due to relativistic

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aberration and slowdown effects, visible

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light becomes 10,000 times dimmer,

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so all messages from the earth would

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arrive at a different wavelength

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that would certainly be impossible to

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detect due to the low energy of the

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incoming radiation, a similar situation

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is with microwave cosmic

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radiation in at a time when the Universe

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was several hundred thousand years old, this

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radiation was observed in the visible

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range of radiation, but as we

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traveled, the wavelength of photons increased due to the

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expansion of the universe, and

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now this radiation is visible only in the

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microwave range. Our Sun,

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too, can now only be observed in the

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red range of the spectrum. in the

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region of infrared or even radio waves And

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this is not the picture that we can

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observe by looking in the direction of movement, on

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that side we will be met by another

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star Alpha Centauri and, unlike

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the sun, it will be 10,000 times brighter, this

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will happen Not because we are approaching

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it luminary, but because we are moving at

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colossal speed, most of the

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radiation from Alpha Centauri will arrive

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in the form of the

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half behind

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us will sparkle with new colors, while the half in front of

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us will become many times brighter,

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the illusion of tunnel vision will arise, it seems to us it’s

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time to return to reality,

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accelerate eternity - this is not an option

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after all, there is not an infinite

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amount of fuel on board; to dilute the

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speed in order to stop exactly in the

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Alpha Centauri region, one way to

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do this is to accelerate half

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the way and then turn around and give

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thrust in the opposite direction,

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thereby stopping the ship, if you follow

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this plan, the distance is 4 or 4

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light years between Alpha Centauri and the

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earth, which light travels

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in 4.4 years. Our ship

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will travel in 3 to 2 years. An attentive

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viewer will immediately have many

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questions: how were we able to overcome this

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distance faster than Light, have we really overtaken the

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fastest particle in the

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Universe, no beam of light we did not overtake the

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earth's clock, our journey took

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6 years, not so much for the Earth

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to have time to change radically, and your

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relatives and loved ones forgot about you. That is why

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the road home awaits us,

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which will take us another 3 and a half years.

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Total 7 years for us and 12 years for everyone

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else who remained on earth, but

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bet yourself that the crew did not want to

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return home, instead of the planned

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flight to earth, it was decided to

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continue the journey further, having spent all the

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fuel on acceleration into the deep

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universe, the first phase of our journey

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will affect the local bubble, an area of stars with a

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length of 300 light years where

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interstellar space is filled with

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neutral hydrogen and contains at

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least 20 stars closest to the Sun

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such as Rigel Aldebaran Vega and

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others We could fly to the edge of

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this region and return back which

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would require 22 years of time What

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would happen to the earth Return we are on its

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surface after such a journey,

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it may seem that if the journey to

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Alpha Centauri required 7 years from us,

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which turned out to be twelve years of

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real time, then these 22 years

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will turn into a little over 37 years.

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such an

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influence That during our flight

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inside a local bubble on earth,

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as many as 600 years have passed. What will happen. Over such a

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huge period of time, it is

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impossible to even imagine; maybe

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representatives of other

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civilizations will come to visit us. Or maybe the Earth

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will cease to be a suitable place for life and

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people will settle down somewhere on another

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planet in our or even another Star

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system. In general, we will have time to miss

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a lot of interesting things. And most

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importantly, we will return to a completely different

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world where no one will care about us

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in complete disappointment. The crew

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decides to leave their

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native Abode forever and head towards the edge of the

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galactic spiral arm in

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which our solar system is located in the

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direction from the Orion arm this

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journey will take the crew 31 years and this is where

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things get truly strange for the

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first 6 years The crew will also

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accelerate towards the direction of the Milky

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Way but then looking out the front

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window we would see something

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strange, a small area of the sky ahead

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would look as if it was illuminated with a

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red light No, this is not an optical illusion

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The crew did not begin to go crazy, the

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Universe around them Who would begin to go

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crazy by this moment, the Lorens coefficient

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of the spacecraft is already

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650 This means that every year of

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travel on the ship is

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650 years on earth, but more

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importantly - This red light ahead is similar to

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the situation with Alpha Centauri, which became

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tens of thousands of times brighter, and the

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microwave cosmic background became an ancient

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cast of the early Universe that was only

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hundreds of thousands of years old past From the

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big bang, now

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you can’t even call it microwave, because due to

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relativistic effects, its radiation

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changed the light of the red range of the Spectrum

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to blue and now it has become visible to the

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naked eye, the journey

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beyond the Galaxy will take the crew 41

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years, which will turn into hundreds of thousands of years on

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earth, after all very likely we would have become

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too primitive for the people of the future.

00:15:03

During this time, our planet would have changed and the

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tilt of its axis would have changed, which

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would have affected the change of seasons, as

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well as the oxygen content in the atmosphere,

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which would have had a significant impact on the

00:15:16

development and evolution of living beings.

00:15:20

were able to see the consequences of

00:15:22

continental drift and changes in water levels in the

00:15:24

world's oceans. In general, we would notice

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how the world has changed during our

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absence, an absence that for us

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fit into one human life,

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maybe our database loaded

00:15:38

onto the on-board computer would turn out to be a

00:15:41

real find for those creatures What

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once called themselves H sapiens, it is unlikely that

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in the Universe a source of information has been found that is

00:15:49

better than the representatives of the

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ancient civilization themselves with a perfectly

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preserved library. What will happen

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if we send to Andromeda, having completed a

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fifty-year round trip, the old people

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into whom our crew will turn to

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return to the earth, which has aged by as

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much as 5 million years, most likely we

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will remain the last people in the universe

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and Although the Earth will almost certainly

00:16:18

be deserted, we will evaluate its condition

00:16:22

as outstanding, it will certainly become

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prettier in the absence of a pest

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called man, biological

00:16:29

diversity will almost be restored to the

00:16:31

level that was before the appearance of the

00:16:34

Homa genus, and all coral reefs will be restored the

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buildings of huge megacities will

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disappear forever under the layers of the earth and

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nature will return to its original appearance

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Andromeda is located inside the

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Virgo cluster, an extended cluster of more than one and

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a half thousand galaxies with a length of

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75 million light years, the journey for its

00:16:58

affairs will lead us to a huge

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supercluster so massive and

00:17:07

huge that the entire Cosmos is in in the next 500

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million light years, consisting of

00:17:13

hundreds of thousands of galaxies tends to its

00:17:15

center at maximum speed. We will

00:17:18

almost reach the speed of light and the

00:17:21

Lawrence coefficient will take a value of

00:17:23

250 million. Because of it, two consequences will occur that are

00:17:27

beyond common sense:

00:17:30

firstly, the temperature of space will increase

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from

00:17:33

2.73 degrees above absolute zero to

00:17:37

more than a billion kelvins, we will find ourselves

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in a universe that existed

00:17:42

only a few minutes after the big

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bang, conditions that are difficult to achieve

00:17:48

even with the help of particle accelerators such

00:17:51

as the Large Hadron Collider, let

00:17:54

alone our ship would not survive the

00:17:57

impact of each tiny particle be it an

00:18:00

atom of gold or a non-massive Photon, it

00:18:02

would be accompanied by a crushing

00:18:04

collision which would instantly

00:18:06

destroy the hull of the ship. But if the crew

00:18:10

miraculously manages to overcome these Hellish 76

00:18:13

years of travel, they will no longer be able to

00:18:15

identify not only their native land, but also the

00:18:18

solar system as a whole, our planet

00:18:21

would change its appearance

00:18:24

the continents would shift to an unfamiliar

00:18:26

position the biosphere would die out and the Atmosphere would be

00:18:29

filled with suffocating carbon

00:18:32

dioxide the sun would turn red its

00:18:35

luminosity

00:18:37

would increase by 10% over the past billion years which would inevitably

00:18:40

lead to the evaporation of all the oceans the Earth

00:18:43

exhales its last breath plunge into a

00:18:47

protracted and cruel death As you

00:18:50

understand, the impact of time on

00:18:53

travelers is very noticeable, we can

00:18:55

assume that we have no reason

00:18:58

why Laniakea should become a

00:19:00

limitation for our flights there and

00:19:02

back; after all,

00:19:05

time dilation is so great that we can

00:19:07

travel to qualitatively different

00:19:09

scales of distances without spending

00:19:12

significantly more onboard time We

00:19:15

could try to rush to the edge of

00:19:17

the Universe located

00:19:19

46.5 billion light years from earth,

00:19:23

how extreme will

00:19:25

time dilation be? Will we even be able to

00:19:27

reach the edge of the Universe before it

00:19:30

ceases to

00:19:31

exist? Maybe there is some kind of

00:19:34

limitation that will not allow us to

00:19:36

do such a daring act When it

00:19:38

comes to traveling billions of

00:19:41

light years, the expansion of

00:19:44

the Universe itself comes into play. In

00:19:46

1998, two teams of astronomers

00:19:50

used distant supernovae to

00:19:52

independently discover that the

00:19:55

rate of expansion of the Universe was discovered

00:19:57

six decades before them.

00:19:59

Edwina Halom actually decreases,

00:20:03

according to logic, the Universe as a massive object

00:20:06

should be attracted to itself,

00:20:08

due to which its expansion

00:20:11

should gradually slow down and then turn

00:20:14

into compression, so they thought until the fateful

00:20:17

1998, it was in this year that these same

00:20:21

teams discovered the accelerated expansion of

00:20:24

the Universe, something that pushes the walls of

00:20:27

space-time more and

00:20:29

more intensely this is something scientists called

00:20:32

dark energy about this dark energy

00:20:36

we already have a video on the channel link in the

00:20:39

upper right corner and using the

00:20:41

measurement of the expansion rate of the Universe

00:20:44

obtained using the Planck probe

00:20:45

launched in 2009 we can

00:20:48

determine the various barriers

00:20:50

limiting our interaction with the

00:20:53

external Universe in first, this is the

00:20:56

Particle Horizon, the greatest distance that

00:20:59

light could travel from the moment of the Big Bang that

00:21:01

occurred

00:21:03

13.8 billion years ago to the present day, it

00:21:07

would be naive to believe that this

00:21:08

distance is the same

00:21:11

13.8 billion light years due to the expansion of

00:21:15

the Universe, this is a much greater distance

00:21:18

that today is about

00:21:20

46.5 mlv of light years in order to

00:21:24

travel to the horizon of particles and back it

00:21:27

is necessary. Especially

00:21:28

that the distance as we move towards

00:21:30

the horizon will increase since

00:21:32

the Horizon will move away from us over time due

00:21:35

to the expansion of the Universe, but this is not the

00:21:38

most terrible and exciting thing the fact

00:21:41

that traveling on scales of tens of

00:21:44

billions of light years is similar to the

00:21:46

Plutanian having removed

00:21:49

8.3 billion light years from our

00:21:52

group of galaxies, the expansion of the Universe will

00:21:55

never allow us to return

00:21:58

back, even if we could

00:22:00

travel at the speed of light,

00:22:02

space will run away so far that it

00:22:05

will form point of no return And we will

00:22:07

forever lose the only landmark

00:22:10

in this vast Universe. The Earth

00:22:13

will simply move away from us faster than the speed of

00:22:16

light and now we will not even try to

00:22:19

return home having bought ourselves a one-way ticket. The

00:22:22

event horizon is not only

00:22:25

the area beyond which

00:22:27

nothing can to leave the boundaries of a black hole

00:22:30

in cosmology, the event horizon is the

00:22:33

region of the observable Universe in which the

00:22:35

light sent now in our direction

00:22:38

can someday reach us in the future.

00:22:42

The fact is that outside this region

00:22:44

in the expanding Universe, light will

00:22:47

move away from us at a greater speed than

00:22:50

the speed light And therefore he will

00:22:53

never be able to reach us, let alone a

00:22:56

spaceship that moves

00:22:59

even slower. We will never reach

00:23:02

any edge of the observable Universe, no matter how hard

00:23:04

we try, its walls will

00:23:07

move away from us faster and faster,

00:23:10

traveling at the speed of light

00:23:12

for a long time. we will discover that

00:23:15

the galaxies around us are becoming

00:23:17

smaller and smaller, the expansion of the Universe

00:23:20

will play a cruel joke on us,

00:23:23

all clusters and galaxies will flee from the observable Universe

00:23:26

and there will be nothing that we

00:23:29

could reach, having lost the only

00:23:32

landmark in the form of the Earth, we hoped to

00:23:35

find a home in something similar on the

00:23:37

earth of which

00:23:39

countless thousands met on our way, but

00:23:41

now the last star in our sky has gone out,

00:23:44

sending us on our final journey

00:23:47

towards the end of time. Two centuries

00:23:51

during which we accelerated our

00:23:53

spaceship turned the universe

00:23:55

into something unimaginable over the past

00:23:58

billions and trillions of years. the environment became

00:24:01

as exotic as

00:24:04

it was in the very first

00:24:06

moments of its life, firstly, we would have

00:24:09

witnessed the decay of the Proton, a

00:24:11

theoretical event of incredible

00:24:14

rarity, during this time the Universe

00:24:16

expanded by 10 to the fifty-fifth

00:24:19

power of times and statistically there would

00:24:21

not be a single one left in the observable Universe

00:24:23

particles In addition to those of which

00:24:26

we are made, the spaceship,

00:24:29

despite the huge Lawrence coefficient,

00:24:32

would have evaporated, even the cosmic

00:24:33

microwave background would have evaporated forever, cutting off

00:24:36

access to the study of the early Universe forever, space

00:24:39

would have been divided into many

00:24:41

incoherent universes existing, each

00:24:44

on its own, the very definitions

00:24:47

underlying time dilation would actually

00:24:50

have lost any meaning and now our

00:24:53

journey is coming to an end, the journey

00:24:56

has transported us to an empty world and

00:25:00

transformed

00:25:06

and filled with life in all its senses,

00:25:10

disappearing into the eternal night. The crew will remember

00:25:13

that fateful day when each of its

00:25:16

members agreed to board this

00:25:18

ship to be locked in

00:25:21

a tomb, rushing into oblivion, taking a

00:25:26

one-way ticket, UAV, we are not

00:25:28

travelers on this flight into the voids of the

00:25:31

Universe, everything I told today

00:25:34

turned out to be a terrible dream, we found ourselves

00:25:37

right here and now in the period of the young

00:25:40

Universe, experiencing the years of dawn,

00:25:43

when the stars sparkle in the sky and when

00:25:46

life is potentially The

00:25:49

golden era of the universe has already filled the entire Cosmos and we

00:25:52

are at the same time its product and

00:25:55

its witnesses for us there will be no

00:25:58

time better or worse perhaps

00:26:01

something like this in the history of the universe will

00:26:03

never happen again like everything in the world

00:26:07

the universe will sooner or later end its

00:26:10

existence but we not the Universe Our age is

00:26:14

very limited and as short as it is it is as

00:26:18

beautiful And as bright

00:26:21

as the

00:26:26

shining sun to live enjoy

00:26:29

life and create Let's not

00:26:32

waste the time that nature has given us

00:26:35

Let's not hide from

00:26:38

the Universe instead Let's smile at it

00:26:41

and say her

00:26:44

[music]

00:26:54

thank you

Description:

Смотрите церемонию награждения Премии Российского общества «Знание» в онлайн-трансляции Знание.ТВ! Встречаемся 26 февраля в 18:00 в прямом эфире! https://www.youtube.com/watch?v=A_ggVMpHONE%3Futm_source%3DBlogger Реклама. ООГПО "РОССИЙСКОЕ ОБЩЕСТВО "ЗНАНИЕ"; ИНН 7706439561; erid: 2VtzqwNk5Kw Полёт наших зондов к Альфе Центавра займет более 75 000 лет. Но возможно ли достичь галактики Андромеды или Ланиакеи в границах одной человеческой жизни? Как можно обогнать свет, не нарушив законов теории относительности? В этом видео вы узнаете об одной хитрости, которая открывает возможность межзвездных путешествий уже сегодня. По вопросам рекламы и сотрудничества: [email protected] Телеграм-канал: https://t.me/iluniverse Поддержать проект: Donation Alerts: https://www.donationalerts.com/r/ilushkersky Boosty: https://boosty.to/iluniverse Patreon: https://www.patreon.com/iluniverse 00:00 Введение 03:21 Путешествие к Альфе Центавра 11:28 Вглубь Вселенной 16:47 За гранью физики 19:39 Космологические горизонты 23:50 Увидеть конец света This video contains fragments belonging to the authors: https://www.youtube.com/@SpaceCinemaYT?si=vbUWl931iKuZgcEO%2C https://www.youtube.com/@EntropianVFX?si=R0thBFQtNj4Q0me3 & https://www.youtube.com/@melodysheep?si=zJ6ulrmrNzll0RM2 Music by https://www.youtube.com/@incompetech_kmac?si=FuuHsSkhkDeRi8Qs & https://www.youtube.com/@co.agmusic

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