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Over three years, Apollo astronauts take samples
from across the moon's surface. The age of the rocks
they collect suggests the majority
of the craters form in a narrow window of time peaking 3.9 billion years ago
from across the moon's surface. The age of the rocks
they collect suggests the majority
of the craters form in a narrow window of time peaking 3.9 billion years ago
Full Transcript
00:00:01.000 --> 00:00:02.499
Over three years,
00:00:02.529 --> 00:00:06.835
Apollo astronauts take samples
from across the moon's surface.
00:00:10.461 --> 00:00:13.598
The age of the rocks
they collect
00:00:13.628 --> 00:00:15.736
suggests the majority
of the craters form
00:00:15.766 --> 00:00:17.704
in a narrow window of time
00:00:17.734 --> 00:00:22.029
peaking 3.9 billion years ago.
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Movie Summary
Science documentaries about various topics.
