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What are extrasolar planets?

For countless generations, human beings have looked out at the night sky and wondered if they were alone in the universe. With the discovery of other planets in our solar system, the true extent of the Milky Way galaxy, and ...

dateMay 25, 2015 in Astronomy
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A curious family of giant exoplanets

There are 565 exoplanets currently known that are as massive as Jupiter or bigger, about one third of the total known, confirmed exoplanet population. About one quarter of the massive population orbits very close to its star, ...

dateMay 25, 2015 in Astronomy
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A conversation with astronomer Dimitri Mawet

Associate Professor of Astronomy Dimitri Mawet has joined Caltech from the Paranal Observatory in Chile, where he was a staff astronomer for the Very Large Telescope. After earning his PhD at the University of Liège, Belgium, ...

dateMay 18, 2015 in Astronomy
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Mystery methane on Mars: The saga continues

Is the Red Planet giving off methane? The question has taunted scientists for nearly 50 years, ever since the Mariner 7 spacecraft detected a whiff of the gas near Mars' south pole. Researchers retracted the finding a month ...

dateMay 15, 2015 in Space Exploration
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