Kepler Team Identifies Planet Impostors that are Binary Stars in Disguise

Observations by the Kepler satellite have advanced our knowledge of stars and their orbiting planets, yielding more than 100 confirmed planets and about 3,000 candidates.  However, orbiting planets may not be the source for a fraction of those detections. “There are many things in the sky that can produce transit-like signals that are not planets, and [...]