Classifications per day on Backyard Worlds: Planet 9


Last week we launched our latest project, Backyard Worlds: Planet 9, and it’s been a busy seven days indeed. Our amazing volunteers have once again demonstrated their awesome power by producing over over 1.5 million classifications while on the hunt for nearby brown dwarfs and our Solar System’s hypothesised ninth planet. That makes it one of the fastest projects to reach one million classifications in Zooniverse history!

Join the effort now at