Turbulence a Key to Birth of Massive Stars

[mickw]

Scientists have long known that stars are formed from swirling clouds of gas and dust that coalesce. But why some of these stellar nurseries give rise to ordinary stars like our sun and others can pop out stars 15 to 30 times as massive is something of a conundrum.
Astronomers working with the Submillimeter Array in Mauna Kea, Hawaii think they may have found the key difference: turbulence.

More:   http://www.space.com/scienceastronomy/090310-st-turbulence-star-formation.html