I never figured out...
I never figured out what that one display in the museum is about. The one on the far right. Here's what it seems to depict (I'm writing from memory so I might mix something up):
1) First a space ship/asteroid thing (like the one the crew members rode) lands on Cocytus
2) Then it shows a couple alien looking creatures. They do not look like the bird-like Cocytans.
3) Then it shows the Cocytans with the aliens.
4) Then it fades out to what looks like a bar graph
Maybe I'm missing something obvious, but what does that display mean?