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ʻOumuamua is a known interstellar object detected passing through the Solar System.[21] It is possibly the second interstellar object known; the first being a purported interstellar meteor that impacted Earth in 2014.[22][23][24][25] 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.
In July 2019, astronomers concluded that ʻOumuamua is most likely a natural object. A small number of astronomers suggested that ʻOumuamua could be a product of alien technology,[32] but evidence in support of this hypothesis is widely considered to be weak.[33][34] In March 2021, scientists presented a theory based on nitrogen ice that ʻOumuamua may be a piece of an exoplanet similar to Pluto, from beyond our solar system.[35][36][37] In January 2022, researchers proposed Project Lyra, which presented the notion that a spacecraft launched from Earth could catch up to 'Oumuamua in 26 years for further close-up studies.[38][39]
Submitted April 15, 2022 at 02:48AM by BodyBackground2916 https://ift.tt/aBiWQn9
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