News tagged with rocky planets

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The water reservoir in a young planetary system

(PhysOrg.com) -- Astronomers once thought that the process of star formation was more-or-less controlled by the simple coalescence of material by gravity, leading eventually to a new star. But they have come ...

Nov 15, 2011
4.4 / 5 (5) 1 | with audio podcast

Heavy metal stars produce Earth-Like planets

New research reveals that, like their giant cousins, rocky planets are more likely to be found orbiting high metallicity stars. Furthermore, these planets are more plentiful around low mass stars. This could ...

Sep 30, 2011
5 / 5 (14) 64 | with audio podcast

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

Rocky planets could have been born as gas giants

When NASA announced the discovery of over 1,200 new potential planets spotted by the Kepler Space Telescope, almost a quarter of them were thought to be Super-Earths. Now, new research suggests that these ...

Sep 16, 2011
4.8 / 5 (12) 38

Greenhouse effect could extend habitable zone

The distant region beyond Saturn is too cold for liquid water, a necessity for life as we know it. But new research indicates that rocky planets far from their parent star could generate enough heat to keep ...

Aug 26, 2011
4.8 / 5 (9) 20 | with audio podcast

Our unlikely solar system

Recent modeling of solar mass stars with planetary systems, found that a system with four rocky planets and four gas giants in stable orbits – and only a sparsely populated outer belt of planetesimals ...

Apr 11, 2011
4.6 / 5 (18) 116 | with audio podcast

Recreating Venus in the Lab

Scientists are reproducing the environment of Venus so that they can interpret observations of the planet's surface and atmosphere. Studying environmental processes on Venus can help astrobiologists better ...

Aug 04, 2010
5 / 5 (5) 3 | with audio podcast