The NASA/ESA Hubble Space Telescope has provided astronomers with the sharpest view yet of the breakup of Comet C/2019 Y4 (ATLAS). The telescope resolved roughly 30 fragments of the fragile comet on ...
An interstellar comet is drifting through the solar system, and it may be billions of years older than the sun. Credit: ESA / NASA / ESO / M. Kornmesser illustration A giant comet spotted days ago ...
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