Learn · TED

Talk6 min

Why can't we see evidence of alien life?

Chris Anderson · TED

Watch At TED

About

Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful. [Directed by Andrew Park, narrated by Chris Anderson].

The talk

  1. Why can't we see evidence of alien life? 6 min · TED's player

Credits and licence

Institution
TED
Department
TED-Ed
Speaker
Chris Anderson
Year
2012
Level
For everyone
Language
English
Subjects
Astronomy and space, Teaching and learning
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed