Black holes ‘dodge middle ground’

By | August 22, 2008

Middleweight black holes were thought to be hiding in globular clusters

For black holes, there appears to be very little room for mediocrity, astronomers have found.

A study suggests they come in either small or large sizes, but medium-sized ones are very rare or non-existent. A team of astronomers has examined one of the best hiding places for a middleweight black hole, and found that it cannot possibly host one. Details of the research are to be published in the latest issue of the Astrophysical Journal. – bbc

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