Speedy Star Points to More Massive Milky Way

[Azure]

Halo star races through the Galaxy

The fastest star ever seen in the Milky Way's ancient halo may boost
estimates for our Galaxy's mass, say German astronomers. In order for its
gravity to hold on to such a speedy star, the Milky Way must have roughly 2
trillion times more mass than the Sun.

Link: http://physicsworld.com/cws/article/news/42974 .

 

[truth seeker]

Hi Azure,

I'd like to invite you to post an intro in the newbies section. It doesn't have to be long, just a little something about yourself and how you found the forum. :)