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ScienceCasts: Total Eclipse of the Moon

Kepler measures the brightness of stars. The data will look like an EKG showing the heart beat. Whenever a planet passes in front of its parent star as viewed from the spacecraft, a tiny pulse or beat is produced. From the repeated beats we can detect and verify the existence of Earth-size planets and learn about the orbit and size of the planet. The scientific data from Kepler come in a different way than most astronomy missions. The Kepler spacecraft will not produce pretty pictures or even colorful spectrograms, but rather light curves derived from brightness changes collected from transits. Credit: NASA Ames and Dana Berry

Space to Ground : The Year Ahead

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Shots Of The Earth From Space 1

Meet a Game Changer: Roger Rovekamp Roger Rovekamp is a Robotics Engineer in Dexterous Robotics Laboratory at NASA Johnson Space Center.

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