EPISODE · Oct 28, 2019 · 29 MIN
Ep. 544: Weird Issues: Biosignatures
from Astronomy Cast
544: Weird Issues: Biosignatures Astronomy Cast 544: Weird Issues: Biosignatures by Fraser Cain & Dr. Pamela Gay Once again, another place where the Universe is going to make this difficult for us. Proving, once and for all that there's alien life on another world. It should be straightforward, look for biosignatures, but it looks like there are natural sources that could explain almost any chemical we could hope to search for.
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Ep. 544: Weird Issues: Biosignatures
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