smithsonianmag.com
Is the Phantom Planet Real?
But the Caltech researchers calculated that a giant planet at the edge of the solar system could be acting like a "huge lever bar," its gravity torquing the solar system and causing its tilt.
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But the Caltech researchers calculated that a giant planet at the edge of the solar system could be acting like a "huge lever bar," its gravity torquing the solar system and causing its tilt.
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Smithsonian Magazine
https://www.smithsonianmag.com › tag › neptune
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