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Strange Universe With Bob Berman
Strange Universe

Planet x and Pluto!

By Bob Berman
Published July 28, 2024 at 9:35 AM EDT
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A century ago the famed astronomer Percival Lowell believed an unknown “planet X” was gravitationally tugging on Uranus and Neptune. So the wealthy Lowell founded an Arizona observatory to try to detect this ninth planet. We’re reminded of all this because this past week is when Pluto has come to its closest to Earth of 2024.

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Strange Universe planetsNASAgravity
Bob Berman
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