Inventory of the stellar content of the region, accompanied by Monte Carlo simulations of the initial mass function, yields a measure of past supernova activity that has probably occurred there. Star formation is seen not as the popping of popcorn, some here and some there all over the frying pan, so much as a series of massive starforming regions, each of which may be capable of delivering perhaps 100 supernovae over a 10 Myr period. These may be likened to large thunderstorm
weather patterns on earth, which exist at only a few places at any time but which integrated over time and location provide most of the earth’s rainfall. The
stunning COMPTEL maps of this radioactivity reveal the past million years of such galactic weather.
Inventory of the stellar content of the region, accompanied by Monte Carlo simulations of the initial mass function, yields a measure of past supernova activity that has probably occurred there. Star formation is seen not as the popping of popcorn, some here and some there all over the frying pan, so much as a series of massive starforming regions, each of which may be capable of delivering perhaps 100 supernovae over a 10 Myr period. These may be likened to large thunderstorm
weather patterns on earth, which exist at only a few places at any time but which integrated over time and location provide most of the earth’s rainfall. The
stunning COMPTEL maps of this radioactivity reveal the past million years of such galactic weather.
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