Professional and citizen scientists used the 'Backyard Worlds: Planet 9' platform to track down brown dwarf stars within a "radius of 65 light-years, or about 400 trillion miles" of the sun, according to NASA. Shown here are red dots in a 3D visualization. [Full Story](https://www.space.com/citizen-scientists-3d-map-of-brown-dwarfs-sun-neighborhood) Credit: Space.com | visualization credit: NASA/Jacqueline Faherty (American Museum of Natural History)/OpenSpace | produced & edited by [Steve Spaleta](http://www.twitter.com/stevespaleta)