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Lovi Moment

Лови Момент

00:00:01

in the fall of

00:00:03

1977, an unprecedented

00:00:06

event occurred that became a world sensation, with a

00:00:09

difference of 16 days,

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two twin nation probes were launched into space,

00:00:13

called Voyager 1 and Voyager

00:00:16

2, each of them had to carry out its

00:00:18

own mission, Viber one

00:00:21

to explore Jupiter Saturn and Voyager 2

00:00:24

to study Uranus and Neptune astronomer decided not

00:00:27

to limit the mission to space

00:00:29

research and provided the probe with gold

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plates with a twig from earthlings of

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alien intelligence. The start of a large

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space probe caused a storm of

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mixed emotions: some expected

00:00:41

amazing discoveries from the devices, others

00:00:44

argued that the message was being sent. The rustling

00:00:46

poses a threat to humanity since

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probes can meet on the other side of space

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with a hostile

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extraterrestrial civilization in 1979,

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Voyager 2 maximum approached

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Jupiter and made it possible to obtain indirect

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evidence of the existence of a liquid ocean under the

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surface of the satellite of the planet Europa in

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1986, the umbrella flew past Uranus A in

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1989 past Neptune and transmitted to earth

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unique images of the surface of its

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satellite Triton On

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December 10, 2018, the device overcame the

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Helium pause and entered interstellar

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space in previous issues. We have

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already talked about how long

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this journey can last and what

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Voyager 2 saw earlier in space. Why communication with the

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probe disappeared for almost a year and what

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incredible scientific discoveries it made

00:01:41

during watch this time in this issue

00:01:44

[music]

00:01:51

global international deep

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space communication networks consists of three

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complexes capable of accompanying probes

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in interstellar space, it is included

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in the Madrid deep

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space communication complex in Spain, the

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Goldstone Observatory in the USA and the antenna system in

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Australia, all of them are in the pipeline consist of

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huge radio telescopes, heavy-duty

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transmitters And sensitive receivers on top.

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However, on earth there is

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only one complex of deep space

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communications capable of maintaining

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contact with the Voyager 2 satellite, which

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has left the solar system.

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What is the problem? All interplanetary devices

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move near the ecliptic plane and

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are in the zone visibility of all three

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observatories of deep space communication

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us However, Voyager 2 became an exception to

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this rule in order to get closer to the 3

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ton largest satellite of Neptune,

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the umbrella flew over the north pole because of

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this maneuver the trajectory deviated to the

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south became significantly that the antennas in the

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Northern Hemisphere of the Earth were deprived communication with him

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since he disappeared from the zone of their

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visibility due to the specifics of the limited

00:02:59

visibility of the southern starry sky,

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scientists could only maintain contact with Voyager 2 in interstellar space

00:03:05

from the Australian observatory, the

00:03:07

military system is located with a

00:03:09

fully rotating parabolic 70-

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meter antenna DS 43 weighing more than 3000

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T consisting of

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1272 aluminum panels with a total area of

00:03:21

4180 square meters Deep Space Station 43

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was put into operation in

00:03:28

1973, initially its diameter

00:03:32

was 64 m in

00:03:35

1987 before the movement of Voyager 2 with

00:03:38

Neptune it was increased to 70 m this is

00:03:41

the only antenna with which

00:03:43

you can monitor Voyager -2 at a distance of

00:03:47

18.8 billion km

00:03:49

However, during the operation of

00:03:51

NASA equipment,

00:03:54

the number of spacecraft has become quite outdated,

00:03:56

and their mission has become more complicated,

00:03:58

so there is an urgent need to

00:04:00

repair and modernize the only

00:04:02

antenna that supports communication, Dom-2. On

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March 4, 2020, NASA announced the start of

00:04:09

planned repairs Australian

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deep space communications complex in

00:04:13

Canberra and modernization of the 70-meter

00:04:16

DS 43 antenna, during planned

00:04:19

technical work, two new

00:04:21

radio transmitters operating in the range were installed, the

00:04:25

power supply system was improved, the

00:04:26

cooling system was put in order, the

00:04:29

electronics were updated, the work was carried out

00:04:32

very quickly, the scientists assumed that

00:04:35

during this time they would be able to

00:04:36

receive signals Voyager 2 with the help of 3

00:04:39

auxiliary Australian

00:04:40

parabolic antennas dss They could

00:04:43

provide telemetry reception However, in

00:04:46

the event of an emergency, the commission specialist would not have allowed the

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commission specialist to transfer the parade to a safe

00:04:50

mode and eliminate the problem in an

00:04:52

extreme situation, scientists would

00:04:54

only have to rely on the fact that the computer

00:04:57

onboard system of the probe was forty years

00:04:59

old will be able to independently

00:05:00

cope with the emergency situation, but

00:05:03

something apparently went wrong. And communication with

00:05:07

Voyager 2 traveling in outer space was interrupted

00:05:10

for almost a year. On

00:05:13

October 29, 2020, the Yenisei operator,

00:05:17

during testing of modernized

00:05:19

equipment, sent a

00:05:21

series of commands to the probe lost in the depths of space, and

00:05:24

what a stroke of luck Voyager 2 received them and

00:05:28

sent in response to the earth a signal

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confirming the presence of communication; already the first

00:05:33

data received from the probes became a

00:05:35

sensational discovery;

00:05:37

information appeared that the so-called heliosphere is located on the

00:05:39

border of the so-called

00:05:42

solar bubble and interstellar

00:05:44

space;

00:05:45

we recall that Space within the Solar

00:05:47

System is not completely empty a perfect

00:05:51

physical vacuum, it contains

00:05:53

interstellar matter plasma dust gas

00:05:56

space debris left over from the big

00:05:59

bang relict radiation And the sun

00:06:02

is a source of not only

00:06:04

electromagnetic waves but also the solar

00:06:06

wind. The region around the solar

00:06:08

space in which the

00:06:10

magnetic field of the sun and solar wind propagates

00:06:13

is called the Helium sphere and is

00:06:15

roughly speaking, a giant bubble behind

00:06:18

it is the heliosphere, the mantle in

00:06:21

which the solar wind is slowed down

00:06:23

and its movement becomes

00:06:25

turbulent behind the mantle

00:06:27

is the heliopause, it is believed that it

00:06:30

separates the heliosphere from interstellar

00:06:33

space, the first data on what happens during

00:06:36

the heliopause and transmitted to the earth by Voyager 1

00:06:39

turned out to be the direction Magnetic

00:06:41

fields inside and outside the heliopause are

00:06:43

approximately the same. Before this, astrophysicists

00:06:46

thought that the magnetic field of the dominant

00:06:49

interstellar medium would be

00:06:51

directed in the other direction or its

00:06:53

movement would be chaotic. The

00:06:55

mission staff then even doubted

00:06:58

that R1 had crossed the border.

00:07:01

The information was not accurate because part

00:07:03

equipment on the First probe failed

00:07:05

back in

00:07:06

1980, all hope was for Voyager 2,

00:07:10

which has on board working instruments that

00:07:12

more accurately measure plasma parameters.

00:07:15

Season 2 actually measured densities;

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accurately determined the temperature of the plasma

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outside the heliopause, it turned out to be

00:07:22

30 50,000 kelvins; it was also possible to

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measure the concentration protons in the

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disturbed interstellar plasma and the

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magnetic field beyond the heliopause Now we

00:07:33

know exactly what is on the border and

00:07:36

outside the solar system,

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one of the most interesting discoveries was

00:07:42

that the heliopause is much

00:07:44

closer than expected. Previously, based on the

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results of numerical modeling,

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it was possible to establish that the level of radiation

00:07:50

in the interstellar medium 3-4 times higher than

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inside the heliosphere near the solar bubble;

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what was unexpected was that the heliopause

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has a heterogeneous structure in different

00:08:01

regions of the heliosphere and different thicknesses; this

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was discovered due to the fact that

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Voyager 1 crossed the heliopause in the Northern

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Hemisphere; Aviator-2 heliosphere in the Southern Hemisphere

00:08:13

was previously believed that the solar wind does not

00:08:15

penetrate beyond the heliopause Omis Stellar

00:08:18

plasma inside the heliopause a new victim

00:08:21

revealed that the boundary between the southern part of the

00:08:24

heliosphere and the interstellar medium has

00:08:27

holes through which matter flows from the plasma bubble of the

00:08:29

Solar system into outer

00:08:31

space Apparently there is

00:08:34

some kind of cosmic control principle unknown to us yet

00:08:39

the behavior of magnetic fields

00:08:41

in space proves this Holes in the bubble of

00:08:44

the Solar system the direction of magnetic

00:08:47

fields on the border of the geosphere and the interstellar

00:08:49

medium we continue to monitor the

00:08:52

journey of space probes and will

00:08:54

introduce you to new information

00:08:57

Subscribe to our channel so as not to

00:08:59

miss the opening of vibers that

00:09:01

may soon turn upside down turning

00:09:03

our idea of space upside down

00:09:07

[music]

Description:

Осенью 1977 года произошло беспрецедентное событие, ставшее мировой сенсацией. С разницей в 16 дней в космос были запущены два зонда-близнеца NASA, получившие название «Вояджер-1» и «Вояджер-2». Каждому из них предстояло выполнить собственную миссию: Вояджеру-1 - исследовать Юпитер и Сатурн, а Вояджеру-2 – изучить Уран и Нептун. Астрономы решили не ограничивать миссию космическими исследованиями и снабдили зонды золотыми пластинками с весточкой от землян инопланетному разуму. Старт большого космического зондирования вызвал бурю неоднозначных эмоций. Одни ждали от аппаратов удивительных открытий. Другие утверждали, что послание на Вояджерах несет угрозу для человечества, так как «по ту сторону космоса» зонды могут встретиться с враждебно настроенной внеземной цивилизацией. В 1979 году Вояджер-2 максимально сблизился с Юпитером и позволил ученым получить косвенные данные о существовании жидкого океана под поверхностью спутника планеты - Европы. В 1986 году зонд пролетел мимо Урана, а в 1989 – мимо Нептуна и передал на Землю уникальные снимки поверхности его спутника Тритона. Поддержите канал лайком и поделитесь этим видео с друзьями. Production Music courtesy of Epidemic Sound https://www.epidemicsound.com/ ATTRIBUTIONS:Copyright Free Images From Pixabay: https://pixabay.com/

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