Optical interferometers have resolved Betelgeuse down to 9 milliarcseconds (4 x 10^-8 radians), so this isn't even the highest resolution image yet of this star

Optical interferometers have resolved Betelgeuse down to 9 milliarcseconds (4 x 10^-8 radians), so this isn't even the highest resolution image yet of this star[1]. [1] http://blogs.discovermagazine.com/badastronomy/2010/01/12/spotting-betelgeuse/ http://blogs.discovermagazine.com/badastronomy/2010/01/12/sp...