41:38

Hive Worlds

26:50

Oceanic Aliens

48:15

Terraforming Techniques

26:25

Spaceports

3:12:39

The Fermi Paradox Compendium of Solutions & Terms

27:12

Hycean Planets & Ice Worlds

38:17

Life in a Space Colony, ep1: Extraterrestrial Colonies

32:16

La paradoja de Fermi: primogénito