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Talk14 min

What a planet needs to sustain life

Dave Brain · TED

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About

"Venus is too hot, Mars is too cold, and Earth is just right," says planetary scientist Dave Brain. But why? In this pleasantly humorous talk, Brain explores the fascinating science behind what it takes for a planet to host life -- and why humanity may just be in the right place at the right time when it comes to the timeline of life-sustaining planets.

The talk

  1. What a planet needs to sustain life 14 min · TED's player

Credits and licence

Institution
TED
Department
TEDxBoulder
Speaker
Dave Brain
Year
2015
Level
For everyone
Language
English
Subjects
Biology
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