Ep. 545: Weird Issues: Are comets asteroids or are asteroids comets?

365 Days of Astronomy - Weekly Edition

English - November 05, 2019 05:51 - 39 minutes - 28.5 MB - ★★★★★ - 14 ratings
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Previous Episode: Ep. 544: Weird Issues: Biosignatures

Next Episode: Ep. 546: Weird Issues: Planetary Migration

Things used to be so simple. Comets were snowballs from the outer Solar System, and asteroids were rocks from the inner Solar System. But now everything's all shades of grey. Astronomers have found asteroids that behave like comets and comets that behave like asteroids.