Astronomy Cast Ep. 754: K2-18b
By Fraser Cain & Dr. Pamela Gay
Streamed live on Apr 28, 2025.
You’ve heard the news! Astronomers are reporting the discovery of biosignatures at K2-18b. Is this proof of life or should we all be more skeptical? It's in the news and people are claiming aliens... but is it aliens? Let's see what the data actually says.
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