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Talk16 min

Why we need to go back to Mars

Joel Levine · TED

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About

Planetary scientist Joel Levine shows some intriguing -- and puzzling -- new discoveries about Mars: craters full of ice, traces of ancient oceans, and compelling hints at the presence, sometime in the past, of life. He makes the case for going back to Mars to find out more.

The talk

  1. Why we need to go back to Mars 16 min · TED's player

Credits and licence

Institution
TED
Department
TEDxNASA
Speaker
Joel Levine
Year
2009
Level
For everyone
Language
English
Subjects
Astronomy and space
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