Comet
ASTROPHYSICAST
English - July 16, 2022 12:19 - 9 minutes - 18.1 MBAstronomy Science Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Comets are cosmic snowballs of frozen gases, rock, and dust that orbit the Sun. When frozen, they are the size of a small town. When a comet's orbit brings it close to the Sun, it heats up and spews dust and gases into a giant glowing head larger than most planets. The dust and gases form a tail that stretches away from the Sun for millions of miles.
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