To watch in HD, get ClipCafe PRO
If you find a layer in the earth that indicates
Please log in to add to collections.
Cosmos: Possible Worlds

If you find a layer inthe earth that indicates the boundary of the first orlast time that...

If you find a layer in
the earth that indicates the boundary of the first or
last time that the fossils of any species can be found, you mark it with
a "golden spike." You drive it into the
rock with a hammer

Full Transcript

00:00:01.000 --> 00:00:03.102
If you find a layer in the earth that indicates
00:00:03.136 --> 00:00:06.272
the boundary of the first or last time that the fossils of
00:00:06.305 --> 00:00:08.141
any species can be found,
00:00:08.174 --> 00:00:11.678
you mark it with a "golden spike."
00:00:12.245 --> 00:00:14.648
You drive it into the rock with a hammer.
Duration
15 seconds
Views
20
Timestamp in Movie
00:17:29
Uploaded
Jun 01, 2025
Season
1
Episode
12

Want This Clip in HD?

Upgrade for HD/4K downloads and unlimited access. Upgrade now →

Movie Summary

"Cosmos: A Spacetime Odyssey" returns for a second season. Ann Druyan, original creative collaborator to Carl Sagan, serves as executive producer.