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These bubbles are superheated gas
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Universe

These bubbles are superheated gas. If our eyes were sensitive to the wavelengths of...

Universe • S01E04 • 2021
These bubbles are superheated gas. If our eyes were sensitive to the wavelengths of light
emitted by those bubbles, they would span half the sky
as seen from here on Earth

Full Transcript

00:00:01.000 --> 00:00:03.008
These bubbles are superheated gas.
00:00:04.096 --> 00:00:06.064
If our eyes were sensitive
00:00:06.072 --> 00:00:09.024
to the wavelengths of light emitted by those bubbles,
00:00:09.032 --> 00:00:13.056
they would span half the sky as seen from here on Earth.
Duration
14 seconds
Views
53
Timestamp in Movie
00:27:27
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 • E05 Type 1a supernovae really are nature's gift to us - Universe 00:08
Type 1a supernovae really are nature's gift to us
S01 • E01 Forming clusters, the size of pebbles, - Universe 00:09
Forming clusters, the size of pebbles,
S01 • E02 Around 4 billion years ago, life on Earth would have begun, - Universe 00:25
Around 4 billion years ago, life on Earth would have begun,
S01 • E05 And that means that if we see one that's dimmer, it must be farther away. - Universe 00:05
And that means that if we see one that's dimmer, it mus...
S01 • E04 And they point back to the centre of the galaxy. - Universe 00:04
And they point back to the centre of the galaxy.
S01 • E05 And that allows us to measure - Universe 00:05
And that allows us to measure
S01 • E04 It looks like their origin is Sagittarius A*. - Universe 00:05
It looks like their origin is Sagittarius A*.
S01 • E05 And because they shine so bright, - Universe 00:07
And because they shine so bright,
S01 • E04 I mean, Sagittarius A* is big but not big on a galactic scale. - Universe 00:05
I mean, Sagittarius A* is big but not big on a galactic scal...
S01 • E04 It would fit comfortably inside the orbit of Mercury, - Universe 00:05
It would fit comfortably inside the orbit of Mercury,
S01 • E05 That means that we can measure the distance to galaxies - Universe 00:08
That means that we can measure the distance to galaxies
S01 • E01 But the planets were lifeless rocks. - Universe 00:04
But the planets were lifeless rocks.
S01 • E03 of the transformation of the Milky Way triggered by another galactic collision. - Universe 00:07
of the transformation of the Milky Way triggered by another ...
S01 • E02 Now, many rocky planets out there in the galaxy will probably have this, - Universe 00:15
Now, many rocky planets out there in the galaxy will probabl...
S01 • E04 Though our black hole is only a fraction of the size of the galaxy around it, - Universe 00:11
Though our black hole is only a fraction of the size of the ...
S01 • E05 But there's other information encoded in the light. - Universe 00:05
But there's other information encoded in the light.
S01 • E01 Only the Sun had the power to turn them into worlds. - Universe 00:07
Only the Sun had the power to turn them into worlds.
S01 • E02 So that's why there's a kind of a catchphrase - Universe 00:11
So that's why there's a kind of a catchphrase
S01 • E01 Some were too far away from the Sun. - Universe 00:05
Some were too far away from the Sun.
S01 • E04 Every few million years, - Universe 00:07
Every few million years,