Citizen scientists join the search for Planet 9

Backyard Worlds enlists amateurs to look for celestial objects

WISE satellite

BACKYARD WORLDS  By scrutinizing images taken by NASA’s WISE satellite (illustrated), volunteers can help a group of astronomers find undiscovered space objects.

JPL-CALTECH/NASA

Astronomers want you in on the search for the solar system’s ninth planet.

In the online citizen science project Backyard Worlds: Planet 9, space lovers can flip through space images and search for this potential planet as well as other far-off worlds awaiting discovery.