

The Search for Exoplanets: What Astronomers Know
Transiting Planets and the Kepler Mission
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S1 • E11 Sep 23, 2015 30mThe planet search took a giant leap forward in 2009 with the launch of the Kepler spacecraft, which used the transit technique to observe nearly 200,000 stars over a four-year period. Study Kepler's goals, results, and the persistence of the astronomer who championed it.