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It's easy to imagine how this could have ended all complex life on Earth
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Nova

It's easy to imaginehow this could have ended all complex life on Earth

Nova • S50E12 • 1974
It's easy to imaginehow this could have ended all complex life on Earth

Full Transcript

00:00:01.000 --> 00:00:03.006
It's easy to imagine how this could have ended
00:00:03.006 --> 00:00:05.567
all complex life on Earth
Duration
7 seconds
Views
16
Timestamp in Movie
00:29:01
Uploaded
Feb 03, 2026
Season
50
Episode
12
Genres
documentary

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Movie Summary

Science documentaries about various topics.
S49 • E16 NARRATOR: But outside, the storm intensifies. - Nova 00:08
NARRATOR: But outside, the storm intensifies.
S46 • E13 MRO has three cameras on board. - Nova 00:25
MRO has three cameras on board.
S50 • E12 JAZ MILLAR: We know that life must have survived through Snowball Earth because we still have a lot of life in the Earth today. - Nova 00:48
JAZ MILLAR: We know that life must have survived through...
S48 • E18 Just a few billion years after the Milky Way formed, - Nova 00:25
Just a few billion years after the Milky Way formed,
S46 • E14 Leaving behind just enough material - Nova 00:18
Leaving behind just enough material
S46 • E13 MRO has made more than 60,000 orbits... - Nova 00:06
MRO has made more than 60,000 orbits...
S46 • E14 And our home. - Nova 00:22
And our home.
S50 • E15 NARRATOR: Primate populations plummet in Europe and disappear completely from North America. - Nova 00:35
NARRATOR: Primate populations plummet in Europe and...
S50 • E13 Generation after generation breaks down after death, building up a bed of soil. - Nova 00:09
Generation after generation breaks down after death,...
S50 • E13 Turning once inert rock into a living layer. - Nova 00:07
Turning once inert rock into a living layer.
S50 • E14 WIGNALL: It's a layer high in our atmosphere, and what it does is, it protects our planet from ultraviolet radiation from the sun, which is very harmful for all life. - Nova 00:38
WIGNALL: It's a layer high in our atmosphere, and what...
S46 • E12 As the sun's brightness increases, - Nova 00:10
As the sun's brightness increases,
S48 • E21 The mass of the white dwarf increases... - Nova 00:28
The mass of the white dwarf increases...
S50 • E01 It's called the tubing process, 'cause this is where the shape of the vehicle actually comes together, and it looks very much like a tube. - Nova 00:09
It's called the tubing process, 'cause this is...
S46 • E12 Mars, much smaller and further out than Venus, - Nova 00:09
Mars, much smaller and further out than Venus,
S50 • E13 Fast-forward 20 million years. - Nova 00:30
Fast-forward 20 million years.
S46 • E12 With an atmosphere rich in greenhouse gases, - Nova 00:13
With an atmosphere rich in greenhouse gases,
S50 • E14 But during the extinction event at the end of the Permian, the halogens damaged the ozone layer on a devastating scale, bathing life with a massive dose of harmful ultraviolet radiation. - Nova 00:18
But during the extinction event at the end of the Permian,...
S48 • E21 Triggering a colossal thermonuclear reaction. - Nova 00:06
Triggering a colossal thermonuclear reaction.
S48 • E19 With a powerful gravitational pull - Nova 00:17
With a powerful gravitational pull