Blog clipping

To include this story in your blog or website —

How much mass makes a black hole?

Science Centric (18 Aug 2010 17:12 GMT) - To reach their conclusions, the astronomers looked in detail at the extraordinary star cluster Westerlund 1, located 16 000 light-years away in the southern constellation of Ara (the Altar). From previous studies, the astronomers knew that Westerlund 1 was the closest super star cluster known, containing hundreds of very massive stars, some shining with a brilliance of almost one million suns and some two thousand times the diameter of the Sun (as large as the orbit of Saturn)…

— copy and paste the formatted text using the form to the left.