Life in Our Universe

The Kepler Spacecraft's Planets

S1 • E16    May 6, 2012    31m
The Kepler mission is changing everything we know about extrasolar planets. Learn how this supersensitive-imaging instrument works to monitor 157,000 stars continuously for years and what it has uncovered since launching in 2009. But first, review the transit effect created when a parent star crosses its orbiting planet.

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