Sentences with phrase «so hypervelocity stars»
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.
http://www.sciencemag.org/ Not exact matches
Other so - called hypervelocity stars are thought to have been boosted to their high speeds by close encounters with our galaxy's supermassive black hole (see Hypervelocity stars: Catch them while you can), but this star is too young to have travelled all the way from the centre of thypervelocity stars are thought to have been boosted to their high speeds by close encounters with our galaxy's supermassive black hole (see Hypervelocity stars: Catch them while you can), but this star is too young to have travelled all the way from the centre of tHypervelocity stars: Catch them while you can), but this star is too young to have travelled all the way from the centre of the Milky Way.
«The other hypervelocity velocity stars discovered so far are all at least consistent with coming from the galactic centre,» Portegies Zwart says.
In the case 2), the candidate is a hypervelocity star which moves so fast that it can escape from the gravity of the Galaxy.
Only a few so - called hypervelocity stars are known to travel with velocities so high that they are unbound, meaning they will not orbit the galaxy, but instead will escape its gravity to wander intergalactic space.
The star, dubbed HE 0437 - 5439, is an early - type star and one of ten so - called hypervelocity stars so far found speeding away from the Milky Way.