These two dancing brown dwarfs waltz across the sky over the course of three years, as seen by @NASAHubble. Watch: https://t.co/ATuLZoO3DT pic.twitter.com/P7w1laa7TD

— NASA (@NASA) June 10, 2017

They’re only about 6 light years away, among the closest stars to us. They are brown dwarfs, and were not detected until recently.