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Astronomers announced today that stars can be born big, but only so big.
Theories over the years have predicted that an upper limit on stellar mass existed somewhere between 10 and 1,000 times the mass of our Sun. Recent observations of a massive cluster of stars in the center of our galaxy has found that this mass cutoff is about 150 times the Sun.
“The primary result is that there is a cutoff. There is little uncertainty about that,” said Don Figer from the Space Telescope Science Institute. “The secondary result is that it is about 150 solar masses.”
Figer used the Hubble Space Telescope to measure the masses of stars in the Arches Cluster, which is 25,000 light-years away and ten times the size of typical clusters in our galaxy. A cluster is a conglomeration of stars that all formed pretty much at the same time.
The mass stuffed within that area is about 2.6 million times that of the sun.
Am i wrong in this?