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July 21, 2020

Interstellar comet 2I/Borisov

Artist impression of the interstellar comet 2I/Borisov -- the first conclusively identified comet from another star -- as it travels through our solar system.

[Research supported by U.S. National Science Foundation grant AST 1614471.]

Learn more in the NRAO news story ALMA reveals unusual composition of interstellar comet 2I/Borisov. (Date image taken: unknown; date originally posted to NSF Multimedia Gallery: July 21, 2020)

Credit: NRAO/AUI/NSF; S. Dagnello

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