News tagged with habitable planet

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 ...

dateSep 18, 2011 in Astronomy
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50 new exoplanets discovered by HARPS

Astronomers using ESO's world-leading exoplanet hunter HARPS have today announced a rich haul of more than 50 new exoplanets, including 16 super-Earths, one of which orbits at the edge of the habitable zone ...

dateSep 12, 2011 in Astronomy
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Alien life more likely on 'Dune' planets

Desert planets strikingly like the world depicted in the science fiction classic "Dune" might be the more common type of habitable planet in the galaxy, rather than watery planets such as Earth, researchers ...

dateSep 02, 2011 in Space Exploration
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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 ...

dateAug 26, 2011 in Astronomy
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Habitable zones

(PhysOrg.com) -- The "habitable zone" is the region around a star where a suitable planet could sustain the conditions necessary for life. Most astronomers take it to be the region where the balance between ...

dateAug 22, 2011 in Astronomy
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Coming to a solar system near you… super-Earth!

It is our general understanding of solar system composition that planets fall into two categories: gas giants like Jupiter, Saturn, Neptune and Uranus… and rocky bodies that support some type of atmosphere ...

dateAug 08, 2011 in Astronomy
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Sulfurous signs of life

Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.

dateJun 30, 2011 in Astronomy
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Hunting for transits of Super-Earth GJ 581e

(PhysOrg.com) -- An international team of astronomers has ruled out transits of a water-rich or hydrogen-helium atmosphere planet for Gliese 581e. The host star itself is relatively quiet which means good ...

dateJun 02, 2011 in Astronomy
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Planets in 'habitable zone' may provide answers

The Gliese 581 system has been making headlines recently for the most newly announced planet that may lie in the habitable zone. Hopes were somewhat dashed when we were reminded that the certainty level of ...

dateOct 25, 2010 in Astronomy
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Discovery of an extrasolar earth-sized planet

(PhysOrg.com) -- There are now over 490 confirmed extrasolar planets. The vast majority are gas giants like Jupiter, but they are much stranger because many orbit close to their stars and so are much hotter ...

dateOct 08, 2010 in Astronomy
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