Who needs reunions when the best parts of the decade never really went away? Take an even closer look with the National Geographic Channel& three-night event The & The Last Great Decade?, continuing tonight at
Star Cluster Pismis NGC Pismis 24 hangs over NGC a nebula about 8000 ly away in Scorpius. This picture showed that the brightest star in the cluster is in fact two stars in a tight binary orbit. Each star is about 100 times the Sun's mass.