Sentences with phrase «hypervelocity star in»

Brown discovered the first hypervelocity star in 2005.

And because the LMC is orbiting the Milky Way at nearly 400 kilometers per second, a star ejected from it could be moving faster than the 500 kilometers per second that makes it a hypervelocity star in the Milky Way.

Not exact matches

As the team report today in Monthly Notices of the Royal Astronomical Society and at the U.K. National Astronomy Meeting in Hull, most of the known hypervelocity stars have trajectories that would fit this scenario.

But a new study shows that most of the 20 or so hypervelocity stars found so far might actually come from outside our own galaxy, in the Large Magellanic Cloud, a small satellite galaxy orbiting the Milky Way at nearly 400 kilometers per second.

In the case 2), the candidate is a hypervelocity star which moves so fast that it can escape from the gravity of the Galaxy.

US 708 has another peculiar property in marked contrast to other hypervelocity stars: it is a rapidly rotating, compact helium star likely formed by interaction with a close companion.

These astronomers were able to measure the relative abundances of certain elements for the first time in any hypervelocity star.

Discovered in 2005, US 708 differs from other known hypervelocity stars.

hypervelocity An adjective for stars that move across space at unusual speed — enough speed, in fact, that they can escape the gravitational hold of their parent galaxy.