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What was interesting about the object discovered by amateur astronomer Gennadiy Borisov in August 2019?

Question #150205. Asked by Upstart3.
Last updated Nov 24 2023.
Originally posted Nov 24 2023 4:34 PM.

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psnz star
Answer has 2 votes
psnz star
5 year member
1008 replies avatar

Answer has 2 votes.
It was an interstellar comet, now called Comet 2I/Borisov. It is the first known comet that has entered our solar system from an unknown place that is not influenced by our Sun.
2I/Borisov has an unusual composition. Specifically, it has a higher concentration of carbon monoxide than any comet seen at a similar distance; that is, within about 200 million miles (300 million kilometers) of the Sun.
link https://www.nasa.gov/solar-system/interstellar-comet-borisov-reveals-its-chemistry-and-possible-origins/

Nov 24 2023, 4:54 PM
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