Lone Star State: Tracking a low-mass star as it speeds across the Milky Way | News World

It may seem like the Sun is stationary while the planets in its orbit are moving, but the Sun is actually orbiting around the Milky Way galaxy at an impressive rate of about 220 kilometers per second — almost half a million miles per hour. As fast as that may seem, when a faint red star was discovered crossing the sky at a noticeably quick pace, scientists took notice.

Thanks to the efforts of a citizen science project called Backyard Worlds: Planet 9 and a team of astronomers from around the country, a rare hypervelocity L subdwarf star has been found racing through the Milky Way. More remarkably, this star may be on a trajectory that causes it to leave the Milky Way altogether. The research, led by University of California San Diego Professor of Astronomy and Astrophysics Adam Burgasser, was presented today at a press conference during the 244th national meeting of the American Astronomical Society (AAS) in Madison, Wisconsin.

The star, charmingly named CWISE J124909+362116.0…

Source www.sciencedaily.com

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