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We estimate that there may be around 20 billion
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Universe

We estimate that there may bearound 20 billion potentially Earth-like worlds - that's...

Universe • S01E02 • 2021
We estimate that there may be
around 20 billion potentially Earth-like worlds - that's rocky planets in the
habitable zone around a star that may support liquid water
on the surface - in our galaxy

Full Transcript

00:00:01.000 --> 00:00:05.004
We estimate that there may be around 20 billion
00:00:05.004 --> 00:00:07.008
potentially Earth-like worlds -
00:00:07.008 --> 00:00:10.068
that's rocky planets in the habitable zone around a star
00:00:10.068 --> 00:00:15.056
that may support liquid water on the surface - in our galaxy.
Duration
16 seconds
Views
41
Timestamp in Movie
00:35:13
Uploaded
May 25, 2025
Season
1
Episode
2
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 Photosynthesis is a process that's very easy to describe in words. - Universe 00:06
Photosynthesis is a process that's very easy to describ...
S01 • E05 insignificant, except that many billions ofyears later, - Universe 00:11
insignificant, except that many billions ofyears later,
S01 • E03 each interaction triggering a new generation of star birth. - Universe 00:06
each interaction triggering a new generation of star birth.
S01 • E01 The plants take energy from the Sun, - Universe 00:11
The plants take energy from the Sun,
S01 • E02 That is 20 billion potential homes for life. - Universe 00:05
That is 20 billion potential homes for life.
S01 • E05 The speck expanded at a phenomenal rate, - Universe 00:08
The speck expanded at a phenomenal rate,
S01 • E01 I mean, there's a part of that photosynthetic machinery, - Universe 00:09
I mean, there's a part of that photosynthetic machinery...
S01 • E02 Now, we don't know the probability that, given the right conditions, - Universe 00:11
Now, we don't know the probability that, given the righ...
S01 • E05 that lasted... - Universe 00:09
that lasted...
S01 • E01 It's comprised of 46,630 atoms, - Universe 00:10
It's comprised of 46,630 atoms,
S01 • E02 What we know is that here on Earth, life began pretty much - Universe 00:11
What we know is that here on Earth, life began pretty much
S01 • E03 A fresh sprinkling of light inside our galaxy's spiral arms, - Universe 00:06
A fresh sprinkling of light inside our galaxy's spiral ...
S01 • E04 It's by looking into the future that we're beginning to explore - Universe 00:08
It's by looking into the future that we're beginni...
S01 • E01 Very efficient. It took billions of years of evolution. - Universe 00:05
Very efficient. It took billions of years of evolution.
S01 • E05 Now, the speck continued to expand - Universe 00:06
Now, the speck continued to expand
S01 • E01 Then we eat the plants, or we eat something that's eaten the plants, - Universe 00:08
Then we eat the plants, or we eat something that's eate...
S01 • E02 So that might suggest that whilst there isn't a sense of inevitability - Universe 00:22
So that might suggest that whilst there isn't a sense o...
S01 • E05 And then, inflation drew rapidly to a close, - Universe 00:23
And then, inflation drew rapidly to a close,
S01 • E01 We take those sugars, and we breathe in that waste product, oxygen, - Universe 00:17
We take those sugars, and we breathe in that waste product, ...
S01 • E04 Dozens of stars orbit around Sagittarius A *, - Universe 00:20
Dozens of stars orbit around Sagittarius A *,