News tagged with gliese 581

Do missing Jupiters mean massive comet belts?

(—Using ESA's Herschel space observatory, astronomers have discovered vast comet belts surrounding two nearby planetary systems known to host only Earth-to-Neptune-mass worlds. The comet reservoirs could have delivered ...

dateNov 27, 2012 in Astronomy
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Five potential habitable exoplanets now

( -- New data suggest the confirmation of the exoplanet Gliese 581g and the best candidate so far of a potential habitable exoplanet. The nearby star Gliese 581 is well known for having four planets with the outermost ...

dateJul 20, 2012 in Astronomy
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Could exoplanet be a haven for life?

Scientists said on Monday a rocky world orbiting a nearby star was confirmed as the first planet outside our solar system to meet key requirements for sustaining life.

dateMay 16, 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 its discovery was ...

dateOct 25, 2010 in Astronomy
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Doubt cast on existence of habitable alien world

Last month, astronomers announced the discovery of the first potentially habitable extrasolar planet. But this week at an International Astronomical Union meeting, doubts were raised about the existence of this exciting new ...

dateOct 13, 2010 in Astronomy
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