Using the Keck II telescope, astronomers have detected an object that may be a brown dwarf or a low-mass star, exhibiting a very high radial velocity. The object, designated CWISE J124909.08+362116.0 ...
A University of Utah-led team discovered a “hypervelocity star” that is the closest, second brightest, and among the largest of 20 found so far. Speeding at more than 1 million mph (1.6 million km/h), ...
Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the Milky Way galaxy, such as its gravitational potential and the distribution of ...
An international team of astronomers has discovered a surprising new class of “hypervelocity stars” — solitary stars moving fast enough to escape the gravitational grasp of the Milky Way galaxy. The ...
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