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Remember, that's the layer
in the atmosphere that made it possible for our distant
ancestors to leave the water for the land, and it
still protects us from ultraviolet rays to this day
in the atmosphere that made it possible for our distant
ancestors to leave the water for the land, and it
still protects us from ultraviolet rays to this day
Full Transcript
00:00:01.000 --> 00:00:03.263
Remember, that's the layer
in the atmosphere that made
00:00:03.437 --> 00:00:06.044
it possible for our distant
ancestors to leave the water
00:00:06.614 --> 00:00:09.051
for the land, and it
still protects us from
00:00:09.225 --> 00:00:11.532
ultraviolet rays to this day.
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Movie Summary
"Cosmos: A Spacetime Odyssey" returns for a second season. Ann Druyan, original creative collaborator to Carl Sagan, serves as executive producer.