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A strange elongated object from another star system sped past the Sun in 2017. The figure is taken from NASA Science, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Oumuamua was the first confirmed interstellar visitor to our solar system

A strange elongated object from another star system sped past the Sun in 2017

Discovered in October 2017 by the Pan-STARRS telescope in Hawaii, Oumuamua was a reddish, highly elongated object travelling on an hyperbolic trajectory through our solar system. Its orbital trajectory proved it originated in interstellar space, making it humanity's first recorded interstellar visitor.

3I Atlas- A New Interstellar Visitor — Antonio Ferretti · CC BY-SA 4.0 · licence · source

Where this comes from

NASA Science

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Tags: oumuamua, interstellar, asteroid

Oumuamua was the first confirmed interstellar visitor to our solar system: the short answers

Where does this come from, and can I check it?: A strange elongated object from another star system sped past the Sun in 2017. The figure is taken from NASA Science, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a space fact?: Yes. It sits on the Space shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.