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NASA / Zooniverse
Backyard Worlds: Cool Neighbors
Discover the Sun’s most extreme cosmic neighbors.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacestarsspaceexoplanets_nasanasa-supportednasa-sciactresearchastronomybrown dwarfs
brown dwarfs
within 25 miles
Mar 6, 2026
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NASA / Zooniverse
Backyard Worlds: Planet 9
Search the realm beyond Neptune for new brown dwarfs and planets.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacetop viewed 2021nasastarssolar systemnasa-supportedplanet ninewiseplanetsnasa-sciactbrown dwarfs_nasa
1