How much would we struggle to survive on our own planet's past?
In short: This NASA panel explores why ancient Earth would seem incredibly inhospitable to us today, and how studying its extreme history helps scientists identify potentially habitable planets orbiting distant stars.
During an event held at NASA headquarters, scientists discussed the vast differences between modern conditions and the environment of ancient Earth. Despite being vastly different and inhospitable by today's standards, this ancient environment was the setting where life began and evolved.
By understanding how life was possible in such extreme conditions, researchers hope to improve their ability to recognize habitable planets around other stars.
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Sources
- Summary by Intellect · source: Ancient Earth, Alien Earths
- Also: “Ancient Earth, Alien Earths” panel discussion featuring Dr. Phoebe Cohen, August 20th
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