It looks like a pinprick of light in snapshots, but scientists have confirmed this recently discovered space snowball is the largest comet ever observed, spanning the length of over three marathons. A team of scientists used the Hubble Space Telescope, an Earth-orbiting observatory shared by NASA and the European Space Agency, to determine that Comet Bernardinelli-Bernstein has a nucleus about 50 times larger than the average known comet. This bright ball of ice, dust, and rock stretches some 85...
It looks like a pinprick of light in snapshots, but scientists have confirmed this recently discovered space snowball is the largest comet ever observed, spanning the length of over three marathons. A team of scientists used the Hubble Space Telescope, an Earth-orbiting observatory shared by NASA and the European Space Agency, to determine that Comet Bernardinelli-Bernstein has a nucleus about 50 times larger than the average known comet. This bright ball of ice, dust, and rock stretches some 85...
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