Day: May 5, 2020

Planet Nine Could Be a Mirage

Some four years ago, when Ann-Marie Madigan first encountered the idea that there might be an undetected massive planet lurking beyond Pluto’s orbit, she felt excited but skeptical. The evidence for such a world was then—and now remains—circumstantial: strange patterns in the orbits of small objects at the outskirts of the known solar system. Proponents […]

Planet Nine Could Be a Mirage

Some four years ago, when Ann-Marie Madigan first encountered the idea that there might be an undetected massive planet lurking beyond Pluto’s orbit, she felt excited but skeptical. The evidence for such a world was then—and now remains—circumstantial: strange patterns in the orbits of small objects at the outskirts of the known solar system. Proponents […]

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