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2I/Borisov: the first confirmed interstellar comet

Original: Detected in 2019, 2I/Borisov represents the first confirmed interstellar comet to traverse our solar system. Originating

2I/Borisov, detected in 2019 by amateur astronomer Gennady Borisov, is the first confirmed interstellar comet to pass through our solar system. Originating from an unknown star system, it gave astronomers a rare chance to analyze the chemical makeup of a body formed around another star, offering insights into how planets and comets may form elsewhere in the galaxy.

Why now: Renewed interest in interstellar objects and what 2I/Borisov revealed about chemistry beyond our solar system.

2I/BorisovGennady Borisovsolar system

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Evidence

• Detected in 2019, 2I/Borisov represents the first confirmed interstellar comet to traverse our solar system. Originating from an unknown star system, this celestial visitor provided astronomers with a unique opportunity to analyze the chemical composition of a body formed… · admin@science.social · 2

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