The Hubble telescope confirms the largest comet nucleus ever seen by astronomers
The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than Rhode Island and about 50 times larger than the heart of most comets.
Read more on NPR
Thứ Tư, 13 tháng 4, 2022
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