News tagged with extrasolar planets

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Destroyer of worlds

(PhysOrg.com) -- Astronomers, in addition to discovering extrasolar planets (about 500 of them currently have known orbital parameters), have detected excess, warm infrared dust emission around many stars.

dateSep 24, 2010 in Astronomy
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Early exit for hot Jupiter due to deadly tides

(PhysOrg.com) -- Bad news for planet hunters: most of the "hot Jupiters" that astronomers have been searching for in star clusters were likely destroyed long ago by their stars. In a paper accepted for publication by the ...

dateSep 10, 2010 in Astronomy
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Water-Ice Super-Earths

A "super-Earth" is a planet around another star (an "exoplanet") whose mass is less than about ten times that of the Earth. Of the 480 or so extrasolar planets now known, most have masses larger than the mass of Jupiter, ...

dateAug 27, 2010 in Astronomy
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A New Way to Find Earths

Astronomers have used a completely new technique to find an exotic extrasolar planet. The same approach might even be sensitive enough to find planets as small as the Earth in orbit around distant stars.

dateJul 09, 2010 in Astronomy
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