Exo-Pluto Debris in Our Solar System and Axions Galore

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

An interstellar interloper may have been a chip off the old block, where the old block was a Pluto-like planet around another star, and the chip is solid air (nitrogen that is)! And we revisit the potential role of axions in the great dark matter chase and a new way that JWST may help us answer it. Join us for all that, exoplanets, science fiction trivia and more.

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This episode was published on September 10, 2025.

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