“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.
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Interesting, Ted Talks about how awesome the world is
What a planet needs to sustain life | Dave Brain
October 16, 2017
More from this series:
- You owe it to yourself to experience a total solar eclipse | David Baron
- What a planet needs to sustain life | Dave Brain
- How I found a mythical boiling river in the Amazon | Andrés Ruzo
- Drawings that show the beauty and fragility of Earth | Zaria Forman
- The mysterious world of underwater caves | Jill Heinerth
- The secrets I find on the mysterious ocean floor | Laura Robinson
- What it feels like to see Earth from space | Benjamin Grant
- Yann Arthus-Bertrand captures fragile Earth in wide-angle
- What rivers can tell us about the earth’s history | Liz Hajek
- Tiny satellites that photograph the entire planet, every day | Will Marshall
- Stunning Photos of the Endangered Everglades | Mac Stone | TED Talks
- Dan Berkenstock: The world is one big dataset. Now, how to photograph it …