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Astrochemistry
What are chemical signs of life beyond Earth?
To look for molecules that point to life, scientists seek to understand what makes biochemistry different from everything else
by Ariana Remmel
November 29, 2020
| A version of this story appeared in
Volume 98, Issue 46
Credit: NASA/JPL-Caltech/University of Nantes/University of Arizona | Titan’s subsurface ocean is rich in organic molecules, making it a promising place to look for alien life in our solar system. These infrared images depict Titan from different angles.
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