Bok
03-11-2017, 03:48 PM
The super star cluster Westerlund 1, only 15,000 light-years away in our Milky Way neighborhood, hosts one of the largest stars ever discovered.
More... (http://www.nasa.gov/image-feature/goddard/2017/hubble-hones-in-on-a-hypergiants-home)
More... (http://www.nasa.gov/image-feature/goddard/2017/hubble-hones-in-on-a-hypergiants-home)