ʻOumuamua is the first interstellar object detected passing through the Solar System. Formally designated 1I/2017 U1, ʻOumuamua was discovered by Robert Weryk using the Pan-STARRS telescope at Haleakalā Observatory, Hawaii, on 19 October 2017, approximately 40 days after it passed its closest point to the Sun on 9 September. When it was first observed, it was about 33 million km (21 million mi; 0.22 AU) from Earth (about 85 times as far away as the Moon), and already heading away from the Sun. #shorts #astronomy #space
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