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What is a terrestrial planet?

In studying our solar system over the course of many centuries, astronomers learned a great deal about the types of planets that exist in our universe. This knowledge has since expanded thanks to the discovery of extrasolar ...

dateJul 02, 2015 in Space Exploration
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Jupiter's movements made way for Earth

There's something about our solar system that appears to be unusual. For some reason, most of our bigger planets are far away from our host star, while closer in are smaller, rocky worlds, including Earth itself.

dateJun 23, 2015 in Astronomy
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Mercury sole survivor of close orbiting planets

The vast quantity of planets and planetary candidates identified by NASA's Kepler spacecraft has revealed an array of systems. Some have Jupiter-sized planets close to the Sun, while others show only a handful of planets. ...

dateJun 08, 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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Circular orbits for small extrasolar planets

Orbits of 74 small extrasolar planets are found to be close to circular, in contrast to previous measurements of massive exoplanets. The results, to be published in the Astrophysical Journal are obtained by the SAC researchers ...

dateMay 14, 2015 in Astronomy
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