Aomawa Shields: When an Actor is Starstruck
Clear+Vivid with Alan Alda
00:00
The Interaction of Surface Compositions With Light From Host Stars
Out of the 5,000 planets we know of so far, a small fraction are around the size of the Earth. If something is rocky, then you could put an ocean on it. We have no kind of information really about the atmospheres of these Earth-sized exoplanets. So that's why we're looking for those smaller ones.
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