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NASA / Zooniverse
Backyard Worlds: Cool Neighbors
Discover the Sun’s most extreme cosmic neighbors.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spaceexoplanetsbrown dwarfsastronomyspacenasa-supported_nasastarsnasa-sciactresearch
brown dwarfs
within 25 miles
Jan 16, 2026
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NASA / Zooniverse
Backyard Worlds: Planet 9
Search the realm beyond Neptune for new brown dwarfs and planets.
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- Ongoing
Citizen ScienceAstronomy & Spacenasabrown dwarfsstarstop viewed 2021solar systemnasa-sciactplanet nine_nasanasa-supportedplanetswise
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