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The 'heat death'
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Brian Cox: Life Of A Universe

The 'heat death' - this idea the universejust gradually grinds to a halt and carries on...

The 'heat death' - this idea the universe
just gradually grinds to a halt and carries on expanding forever - is a bit miserable, but the physics of the far future
is not very well understood

Full Transcript

00:00:01.000 --> 00:00:02.036
The 'heat death' -
00:00:02.036 --> 00:00:06.076
this idea the universe just gradually grinds to a halt
00:00:06.076 --> 00:00:09.999
and carries on expanding forever -
00:00:09.999 --> 00:00:10.096
is a bit miserable,
00:00:10.096 --> 00:00:17.002
but the physics of the far future is not very well understood.
Duration
17 seconds
Views
49
Timestamp in Movie
00:38:04
Uploaded
Jul 12, 2025
Season
1
Episode
2
Genres
documentary

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Movie Summary

Professor Brian Cox on tour in Australia talks about the life of our universe to scientists and to space-loving audiences.
S01 • E02 So there are, in fact, other, and I think more exciting, possibilities. - Brian Cox: Life Of A Universe 00:06
So there are, in fact, other, and I think more exciting, pos...
S01 • E02 So, like the Robert Frost poem, - Brian Cox: Life Of A Universe 00:05
So, like the Robert Frost poem,
S01 • E02 But there's a big caution here, - Brian Cox: Life Of A Universe 00:11
But there's a big caution here,
S01 • E02 Cosmologists have come up with an even more devastating idea - Brian Cox: Life Of A Universe 00:13
Cosmologists have come up with an even more devastating idea
S01 • E02 If the universe has this dark energy, - Brian Cox: Life Of A Universe 00:07
If the universe has this dark energy,
S01 • E02 This is another really great way to destroy the universe. - Brian Cox: Life Of A Universe 00:04
This is another really great way to destroy the universe.
S01 • E02 So as the universe gets bigger, - Brian Cox: Life Of A Universe 00:08
So as the universe gets bigger,
S01 • E02 You make more space, you have more dark energy, - Brian Cox: Life Of A Universe 00:07
You make more space, you have more dark energy,
S01 • E02 Over time, this phantom dark energy - Brian Cox: Life Of A Universe 00:07
Over time, this phantom dark energy
S01 • E02 Stars would start to wander off, 'cause it's still increasing. - Brian Cox: Life Of A Universe 00:05
Stars would start to wander off, 'cause it's still...
S01 • E02 It'll start to break up all structure, all matter. - Brian Cox: Life Of A Universe 00:05
It'll start to break up all structure, all matter.
S01 • E02 And then at some point, - Brian Cox: Life Of A Universe 00:07
And then at some point,
S01 • E02 You reach the... the breaking point, literally, - Brian Cox: Life Of A Universe 00:10
You reach the... the breaking point, literally,
S01 • E02 The 'big rip' idea can be combined with a theory we have - Brian Cox: Life Of A Universe 00:16
The 'big rip' idea can be combined with a theory w...
S01 • E02 ..that rapid expansion before the big bang, - Brian Cox: Life Of A Universe 00:08
..that rapid expansion before the big bang,
S01 • E02 Exactly. It's...you know, you have these big questions, - Brian Cox: Life Of A Universe 00:12
Exactly. It's...you know, you have these big questions,
S01 • E02 We are pretty confident we know inflation had to happen in some form - Brian Cox: Life Of A Universe 00:10
We are pretty confident we know inflation had to happen in s...
S01 • E02 We don't have the evidence for it yet, - Brian Cox: Life Of A Universe 00:06
We don't have the evidence for it yet,
S01 • E02 We said that inflation stops and the big bang happens. - Brian Cox: Life Of A Universe 00:05
We said that inflation stops and the big bang happens.
S01 • E02 But what if inflation doesn't stop all at once - - Brian Cox: Life Of A Universe 00:07
But what if inflation doesn't stop all at once -