High-velocity Stars
Depending on the definition, a high-velocity star is a star moving faster than 65 km/s to 100 km/s relative to the average motion of the stars in the Sun's neighbourhood. The velocity is also sometimes defined as supersonic relative to the surrounding interstellar medium. The three types of high-velocity stars are: runaway stars, halo stars and hypervelocity stars.
Read more about this topic: Stellar Associations
Famous quotes containing the word stars:
“Among the earliest institutions to be invented, if I read the stars right, is a Protestant monastery, a place of elegant seclusion where melancholy gentlemen and ladies may go to spend the advanced session of life in drinking milk, walking the woods & reading the Bible and the poets.”
—Ralph Waldo Emerson (1803–1882)