The universe is 13.8 billion years old and full of planets. So why haven't we heard from anyone? A long, calm documentary about the Fermi paradox: from the 72-second Wow! signal of 1977 to a possible biosignature on Mars, the ocean of Enceladus and the debate over K2-18b.
Chapters
00:00 Seventy-two seconds
03:17 A question over lunch
06:41 Counting the stars
10:55 The problem of time
14:48 How hard have we listened?
18:39 Rare, filtered, or early
23:16 The stranger answers
27:38 The search gets real
32:03 Our own whisper
35:34 The pale blue dot
Cosmos After Midnight: long, calm documentaries about the universe. Visuals are original illustrations created for this channel.
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