We're in beta! If you find a bug or have feedback, let us know in our 
NASA / Zooniverse
Backyard Worlds: Cool Neighbors
Discover the Sun’s most extreme cosmic neighbors.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacestarsspace_nasanasa-supportedresearchnasa-sciactbrown dwarfsexoplanetsastronomy
brown dwarfs
within 25 miles
Jan 9, 2026
2 opportunities found! use fewer search filter criteria to find more opportunities
Filters
NASA / Zooniverse
Backyard Worlds: Planet 9
Search the realm beyond Neptune for new brown dwarfs and planets.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spaceplanets_nasanasa-sciactplanet ninenasa-supportedsolar systemnasastarstop viewed 2021wisebrown dwarfs
1