Backyard Worlds: Cool Neighbors

https://science.nasa.gov/citizen-science/backyard-worlds-cool-neighbors/?utm_source=newsletter&utm_medium=email&utm_campaign=nn202632 Brown dwarfs are balls of gas similar to Jupiter that never had enough mass to become stars. Many of the Sun’s nearest neighbors in space are brown dwarfs! But these objects are faint and hard to find, so the smallest ones remain mysterious and elusive.