#Repost @nasachandraxray with @get_repost ・・・
Right #now Chandra is studying a duo of supermassive black holes in NGC 3393! Separated by less than 500 light years, this #BlackHole pairing is likely the product of a merger of 2 galaxies of unequal mass over a billion years ago!
#Today 's Observation from #Space : 22 hours 13 minutes
Learn more about NGC 3393: http://chandra.harvard.edu/instagram/