Size of smallest possible star pinned down

By Mike WallSpace.comAstronomers have determined a minimum stellar size, helping clarify the line between true stars and strange "failed stars" called brown dwarfs.All stars should be at least 8.7 percent as wide as our own sun, with average brightnesses no less than 0.00125 percent that of Earth's star, researchers said. They further calculated that all stars likely have surface temperatures of a...