‘Megacomet’ Bernardinelli-Berstein is largest ever seen, Hubble telescope confirms

These images from the Hubble Space Telescope show the comet C/2014 UN271 (Bernardinelli-Berstein), the biggest comet ever seen, NASA says. (Image credit: NASA, ESA, Man-To Hui (Macau University of Science and Technology), David Jewitt (UCLA); Image processing: Alyssa Pagan (STScI))

A gigantic comet is actually the largest ever seen, new observations by the Hubble Space Telescope confirm.

Stretching about 80 miles (129 kilometers) across, the nucleus (or solid center) of the come, known as C/2014 UN271 (Bernardinelli-Bernstein), is larger than the state of Rhode Island, according to a statement from NASA. And it’s about 50 times larger than the average comet core.

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