News @ Nature - Stars can only grow so big:
"We'll never find a star larger than about 150 times the size of our Sun, according to observations of a star cluster at the centre of our Galaxy.
Astronomers have previously been unable to agree whether stars have a natural limit to their size, or what that limit might be. Theoretical estimates based on the turbulent dynamics of stars' guts have ranged from 10 to 1000 solar masses."
