Massive Object From “Outside” Our Solar System Heading Our Way—10 Things You Should Know
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Astronomers have discovered a new trans-Neptunian object that may be the largest Oort Cloud object ever discovered. The diameter of…
comet solar system
Massive Comet Near Jupiter’s Trojan Asteroids Photographed by Hubble
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Astronomers studied comet P / 2019 LD 2 (ATLAS) using ground-based telescopes and the Hubble and Spitzer space observatories. The…