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[narrator]
If aliens were observing us from afar, they would see biosignatures
in the form of water and the gases in our atmosphere. Oxygen is so reactive that it can only be in our atmosphere
if it's being continuously produced
If aliens were observing us from afar, they would see biosignatures
in the form of water and the gases in our atmosphere. Oxygen is so reactive that it can only be in our atmosphere
if it's being continuously produced
Full Transcript
00:00:01.000 --> 00:00:03.503
[narrator]
If aliens were observing us from afar,
00:00:03.586 --> 00:00:06.672
they would see biosignatures
in the form of water
00:00:06.756 --> 00:00:09.175
and the gases in our atmosphere.
00:00:09.003 --> 00:00:10.968
Oxygen is so reactive
00:00:11.302 --> 00:00:14.805
that it can only be in our atmosphere
if it's being continuously produced.
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Movie Summary
A documentary series that looks to explore the big questions of today.