Planets Outside Our Solar System Seek New Worlds
NASA confirmed the discovery of Kepler-22b, a planet roughly 2.5 Earth radii orbiting a distant star at a distance that could support life. Exoplanets, planets beyond our solar system, number over 2,300 found so far, with about 200 Earth-sized examples among them.
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Steven Spielberg Career Highlights and Charity Work
Steven Spielberg, born in Cincinnati, is a renowned director and producer. He directed The Adventures of Tintin, War Horse, Jaws, E T The Extra Terrestrial, Close Encounters of the Third Kind, Indiana Jones, and Jurassic Park. He has won three Academy Awards and supported Holocaust remembrance efforts through charities including Starlight Children’s Foundation. He began with TV and short films and is 65.
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Planet Hunting Methods for Finding Exoplanets
Astronomers detect planets by observing star light changes. Spectral shifts reveal large planets while transits cause dips in brightness for smaller ones. Kepler surveys 150000 stars to find Earth size planets and confirms candidates with additional methods.
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Kepler Discovers Planets In Habitable and Binary Star Systems
The Kepler Mission has identified over 2,300 exoplanet candidates with many awaiting confirmation. Kepler-22b marks the first Earth size world in the habitable zone where liquid water could exist. Kepler-16b orbits a double star like Tatooine and would not support life. One exoplanet reflects very little light and glows red from its heat, a mystery to scientists.
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