A team of citizen scientists and professional astronomers has discovered a circumbinary planet in a huge four-star system some 5,000 light years away. This is an artist’s illustration of PH1 (Haven Giguere / Yale University) The planet, dubbed PH1, was first identified by citizen scientists participating in Planet Hunters, a Yale-led program that enlists members of the public to review astronomical data from NASA’s Kepler spacecraft for signs...
