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Size Comparison: Pluto and Australia (sopuli.xyz)

submitted 2 years ago by Sibbo@sopuli.xyz to c/astronomy@mander.xyz

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[–] Buddahriffic@lemmy.world 4 points 2 years ago

They only found it because it's more like a binary dwarf planet system than a planet/moon system, so the telescopes were able to pick up light reflected from both Pluto and Charron, while Pluto alone might have not been bright enough.

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