We're in beta! If you find a bug or have feedback, let us know in our 
NASA / Zooniverse
Backyard Worlds: Planet 9
Search the realm beyond Neptune for new brown dwarfs and planets.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spaceplanetstop viewed 2021starsplanet ninenasasolar systemwisenasa-sciact_nasabrown dwarfs
planet nine
within 25 miles
Apr 30, 2025
2 opportunities found! use fewer search filter criteria to find more opportunities
Filters
Instituto de Astrofísica e Ciências do Espaço
CoAstro: @n Astronomy Condo
Determination of the composition of stars; promote science dissemination
Near your search location!
- Ongoing
Citizen ScienceEducationAstronomy & Spaceattitudesastronomyscience educationscience disseminationengagementscience communication
1