Astronomy Cast · Fraser Cain and Dr. Pamela Gay
Astronomy Cast Ep. 741: Technosignatures
January 27, 2025·36 min·3 clips
Pamela reveals how even green energy could cook Earth with waste heat within a millennium.
As heard by us
A careful look at how astronomers might spot technosignatures without mistaking noise for proof.
Astronomy Cast episode 741 treats technosignatures like a real search problem: what would count as evidence, what telescopes can actually pick up, and how to tell a true clue from noise. Fraser Cain and Dr.
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