Runaway Star Headed Out of Milky Way at 1.6 Million Miles an Hour Max Read · 07/27/10 12:47AM The Hubble has spotted a "hypervelocity star" (known as HE 0437-5439) ditching the Milky Way at 1.6 million miles an hour. It's not headed toward earth, which is a relief, because what the hell could you do about it? [CBS]