‘Failed stars’ host powerful auroral displays

29 julio 2015

By observing a brown dwarf 20 light-years away using both radio and optical telescopes, astronomers have found that such so-called failed stars host powerful auroras near their magnetic poles — additional evidence that brown dwarfs are more like giant planets than small stars.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/b_80cibFiPk» height=»1″ width=»1″ alt=»»/