Ep. 615: Planet 9
from Astronomy Cast Full Raw Feed
After Pluto lost its planethood we were down to 8 planets. But there's growing evidence of another world or worlds out beyond the orbit of Pluto. Is Planet 9 out there and how will we find it? Could there even be a Planet 10?
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This episode is 55 minutes long.
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This episode was published on October 18, 2021.
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