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ʻOumuamua

interstellar object passing through the Solar System, discovered in October 2017

ʻOumuamua (Hawaiian: first messenger arriving from afar)[1] is an object from another star system that visited our solar system. Its official name is 1I/2017 U1.

ʻOumuamua is the first interstellar object that we know has passed through our solar system.[2] Oumuamua was first discovered on 19 October 2017 using the Pan-STARRS1 telescope at the Haleakala Observatory in Hawaii.[3]

Its appearance is long and narrow, and it had a dark red color, similar to objects in the outer Solar System.

References


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