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The Goblin' May Reveal the Phantom of Planet X Lurking in Deep Space

Plus, is planet nine actually a primordial black hole? Is Earth the only planet with tectonic plates? And more stories about what's going on in the solar system.

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The Goblin' May Reveal the Phantom of Planet X Lurking in Deep Space

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    Is Earth the Only Planet With Tectonic Plates?

    Is Earth the Only Planet With Tectonic Plates?

    On Earth, plate tectonics build up mountains, set off tsunamis and form volcanoes. To paraphrase the late evolutionary biologist Theodosius …

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