News tagged with habitable planet

Far-out photosynthesis

Photosynthesis maintains Earth's habitability for life as we know it, and shapes the way we search for habitable worlds around distant stars. Scientists have discovered a microbe that can use low-energy light ...

dateMar 16, 2012 in Cell & Microbiology
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Earth's moon may not be critical to life

The Moon has long been viewed as a crucial component in creating an environment suitable for the evolution of complex life on Earth, but a number of scientific results in recent years have shown that perhaps our ...

dateJan 27, 2015 in Space Exploration
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Tau Ceti: The next Earth? Probably not

As the search continues for Earth-size planets orbiting at just the right distance from their star, a region termed the habitable zone, the number of potentially life-supporting planets grows. In two decades ...

dateApr 22, 2015 in Astronomy
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Under the bright lights of an aging sun

Life as we know it on Earth is linked to our star, the Sun, which provides our planet with just the right amount of heat and energy for liquid water to be stable in our lakes, rivers and oceans. However, ...

dateJul 04, 2014 in Astronomy
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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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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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The quest for inhabited habitable planets

Which came first: life or habitability? Although this question seems at first sight contradictory, a new paper by Colombian researchers is bringing to the attention of astrobiologists a classical conundrum: ...

dateJun 03, 2014 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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