On Dec. 7, the extrasolar comet now known as 2I/Borisov will make its closest approach to the sun. That maybe-comet from another star really is a comet from another star, and now it has a name and a date with destiny. On Dec.
from Pocket https://www.nytimes.com/2019/10/01/science/interstellar-comet-astronomy-borisov.html
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