Ep. 615: Planet 9

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This episode is 32 minutes long.

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This episode was published on October 18, 2021.

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Astronomy Cast Ep. 615: Planet 9 by Fraser Cain & Dr. Pamela Gay 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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Ep. 615: Planet 9

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How long is this episode of Astronomy Cast?

This episode is 32 minutes long.

When was this Astronomy Cast episode published?