ʻOumuamua is the first interstellar object detected passing through the Solar System. [23] . Formally designated 1I/2017 U1, it 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.

Mar 22, 2023 · Its high speed—87 km per second (54 mi. per second)—and highly elliptical angle indicated that it originated from deep space, the first known interstellar object ever to enter our solar system....

Dec 14, 2017 · The weird asteroid Oumuamua has people wondering if it's really a space rock booted out of another solar system or an alien spaceship.

Mar 22, 2023 · Was it an asteroid, comet, or even an alien spaceship? For years, astronomers have been perplexed by ‘Oumuamua, a mysterious object up to 400 meters long that entered the Solar System in 2017.

Dec 5, 2024 · Two of NASA’s space telescopes (Hubble and Spitzer) tracked the object traveling about 85,700 miles per hour (38.3 kilometers per second) relative to the Sun. Its outbound path is about 20 degrees above the plane of planets that orbit the Sun.

Sep 19, 2023 · 1I/'Oumuamua was a small object that came from interstellar space and passed close to the sun as it traveled through the inner solar system in the autumn of 2017. It was notable because it...

12 hours ago · The most infamous asteroid impact occurred 66 million years ago, when a six-mile-wide space rock triggered a global winter, wiping out the dinosaurs and 75 percent of all species. By contrast ...

Mar 22, 2023 · Since its surprise arrival in the solar system in 2017, the interstellar object 'Oumuamua has puzzled scientists. A duo of American astronomers now think they have solved one of the space rock's...

Jan 26, 2022 · According to the group's latest paper, which was published Jan. 13 to the preprint server arXiv, a spacecraft launched in 2028 could use the gravity from Jupiter and the sun to help propel itself...

The mysterious space object ‘Oumuamua, which was tumbling through our solar system for some time, first caught our attention back in 2017 when it was detected by the Pan-STARRS telescope.