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Kepler Mission

Kepler is a roughly 1-meter-diameter telescope that is staring at 150,000 Sun-like stars in the constellations Cygnus and Lyra. It will watch those stars for about three and a half years continuously, without ever closing its eyes. Kepler will look for events called transits, in which a planet briefly passes in front of its parent star, blocking a little bit of the star’s light. The goal is to find Earth-size planets around Sun-like stars.

Radio Programs

Future Cannibal A future act of stellar cannibalism May 6, 2018

Heartbeat Stars Watching stars change shape February 6, 2017

Searching for Neighbors III The mystery of Tabby’s Star November 9, 2016

16 Cygni A pair of old stellar neighbors November 6, 2016

The Search Continues The search for planets continues April 12, 2015

Featured Images

Artist's concept of a double sunset on exoplanet Kepler 16

Double Sunset March 5, 2014

Artist's concept of exoplanet system KOI-961, discovered by Kepler spacecraft

Worlds Galore March 3, 2014

Artist's concept of extrasolar planet Kepler 78b, an Earth-sized world

Hot Rock October 31, 2013

Artist's concept of the Kepler-35 system, with a giant planet orbiting two stars

Seeing Double April 4, 2012

Artist's concept of the planetary system Kepler 11

Close Family April 22, 2011