News tagged with extrasolar planets

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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 ...

Sep 10, 2010
4.7 / 5 (14) 1 | with audio podcast

So many planets, so few telescopes

Over the last few weeks, astronomers announced not one but two extraordinary discoveries in the ongoing search for planets orbiting stars beyond the sun. The first was a world about the size of Neptune, 5,000 light-years ...

Nov 08, 2012
4.8 / 5 (6) 4

How common are earth-moon planetary systems?

Sebastian Elser, Prof. Ben Moore and Dr. Joachim Stadel of the University of Zurich, Switzerland, in cooperation with Ryuji Morishima of NASA's Jet Propulsion Laboratory, tried to estimate how common Earth-Moon ...

Sep 18, 2011
4.9 / 5 (15) 20 | with audio podcast