More than 2,300 exoplanet candidate discoveries have made it the most prolific planet hunter in history. But even NASA's Kepler mission needs a little help from its friends. Enter the Kepler follow-up observation program, a consortium of astronomers dedicated to getting in-depth with the mission's findings and verifying them to an extremely high degree of confidence.

Source: NASA's Kepler gets a little help fr...low-up observers confirm new discoveries