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Because the hot gas ejected by Sagittarius A *
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Universe

Because the hot gasejected by Sagittarius A * had a calming effect on the galaxy. Now, you...

Universe • S01E04 • 2021
Because the hot gas
ejected by Sagittarius A * had a calming effect on the galaxy. Now, you might think that a hot
gas cloud would produce more stars

Full Transcript

00:00:01.000 --> 00:00:04.088
Because the hot gas ejected by Sagittarius A *
00:00:06.000 --> 00:00:09.999
had a calming effect on the galaxy.
00:00:09.012 --> 00:00:12.072
Now, you might think that a hot gas cloud would produce more stars.
Duration
13 seconds
Views
66
Timestamp in Movie
00:30:55
Uploaded
May 25, 2025
Season
1
Episode
4
Genres
documentary
Production
Samsa Film,KeyFilm

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Movie Summary

Professor Brian Cox journeys across the vastness of time and space revealing epic moments of sheer drama that changed the universe forever.
S01 • E01 Well, the answer, in fact, was known in the 19th century, - Universe 00:09
Well, the answer, in fact, was known in the 19th century,
S01 • E03 Hydrogen atoms radiate radio waves - Universe 00:08
Hydrogen atoms radiate radio waves
S01 • E02 ...and detected what may be a faint signature... - Universe 00:05
...and detected what may be a faint signature...
S01 • E04 But, in fact, the opposite is true because hot means that - Universe 00:12
But, in fact, the opposite is true because hot means that
S01 • E01 In the 19th century, - Universe 00:13
In the 19th century,
S01 • E03 And as I speak, that radiation has been captured by that radio telescope. - Universe 00:05
And as I speak, that radiation has been captured by that rad...
S01 • E03 Imagine, there are atoms over there. And by "over there," - Universe 00:08
Imagine, there are atoms over there. And by "over there...
S01 • E04 So, Sagittarius A* reduced the number of stars - Universe 00:09
So, Sagittarius A* reduced the number of stars
S01 • E02 ...we may have at last found the evidence of water - Universe 00:07
...we may have at last found the evidence of water
S01 • E01 And it turns out that the only thing that matters for a steam engine, - Universe 00:21
And it turns out that the only thing that matters for a stea...
S01 • E03 And at some point, way, way back in the past, - Universe 00:07
And at some point, way, way back in the past,
S01 • E02 This was the first observation of water vapour in the atmosphere - Universe 00:10
This was the first observation of water vapour in the atmosp...
S01 • E04 I mean, imagine if there was some giant star - Universe 00:08
I mean, imagine if there was some giant star
S01 • E03 So, we're listening to the lifeblood of our galaxy. - Universe 00:05
So, we're listening to the lifeblood of our galaxy.
S01 • E04 That would not be a good thing if you're an amoeba - Universe 00:08
That would not be a good thing if you're an amoeba
S01 • E02 Now, admittedly, measurements of the amount of water vapour - Universe 00:05
Now, admittedly, measurements of the amount of water vapour
S01 • E05 and planets... countless brave new worlds. - Universe 00:06
and planets... countless brave new worlds.
S01 • E02 It's somewhere between 0.01% and 50%. - Universe 00:06
It's somewhere between 0.01% and 50%.
S01 • E04 So, Sagittarius A* turned what is potentially - Universe 00:09
So, Sagittarius A* turned what is potentially
S01 • E01 In the universe, the stars are hot spots in a cold sky. - Universe 00:06
In the universe, the stars are hot spots in a cold sky.