In the continued search for the hypothetical ninth planet in our Solar System, Michael Brown, the CalTech astronomer who led the demotion of Pluto to a dwarf planet in 2006, has co-written a new study ...
The coast looks clear for a NASA spacecraft's historic Pluto flyby less than two weeks from now. The New Horizons probe has spotted no signs of rings or additional moons in the Pluto system, so the ...
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