Archive for August, 2010

Hypervelocity star – HE 0437-5439

Posted August 3, 2010 By grigoris

An interesting story on hypervelocity stars. Around 16 know since 2005, one of them being the HE 0437-5439 which travells at 2.5 million kilometers / hour. The puzzle about this is that it is too young to have travelled so far from the Wilky Way (200 000 light-years over the disk plane). The story (?): […]