Detecting ETs and Intergalactic Baryons

from Walkabout the Galaxy · host Josh Colwell, Addie Dove, Jim Cooney, Audrey Martin

Fast Radio Bursts are back, this time providing a crucial measurement of the amount of normal matter in the universe. Top quark Jim Cooney explains how the interaction of light from very distant gamma ray bursts reveals the otherwise invisible matter sprinkled in the intergalactic void. Somewhat closer to home, JWST is providing tantalizing glimpses of the composition of extrasolar planets, a technique that may one day discover alien life. Join us for these and other discoveries, space news, and podcast trivia.

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This episode is 46 minutes long.

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This episode was published on October 25, 2023.

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