Massive Space Rock Heading Our Way Looks More Like a Minor Planet Than Comet
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Comet C/2014 UN 271 (Bernardinelli-Bernstein) was discovered last summer by Pedro Bernardinelli and Gary Bernstein as part of a search…
solar system comet
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…