News tagged with exoplanet

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Possible water in the atmosphere of a super-Earth

A "super-Earth" is an exoplanet (a planet around another star) whose mass is between about two and ten Earth-masses. Planets larger than this are closer to Uranus and Neptune in size (and perhaps in other physical properties ...

dateMar 05, 2012 in Astronomy
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Four new exoplanets to start off the new year!

It’s only a few days into 2012 and already some new exoplanet discoveries have been announced. As 2011 ended, there were a total of 716 confirmed exoplanets and 2,326 planetary candidates, found by both orbiting space ...

dateJan 06, 2012 in Astronomy
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Detecting biomarkers on faraway planets

(Phys.org) —On Earth, life leaves telltale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide into the atmosphere, ...

dateSep 10, 2013 in Astronomy
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Stellar eclipse gives glimpse of exoplanet

A group of astronomers led by an MIT professor has spotted an exoplanetary eclipse of a star only 40 light years away — right around the corner, astronomically speaking — revealing a "super-Earth."

dateJul 19, 2011 in Astronomy
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Water-Ice Super-Earths

A "super-Earth" is a planet around another star (an "exoplanet") whose mass is less than about ten times that of the Earth. Of the 480 or so extrasolar planets now known, most have masses larger than the mass of Jupiter, ...

dateAug 27, 2010 in Astronomy
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Detecting Life-Friendly Moons

The search for life-friendly real estate around distant stars doesn't have to be limited to planets. New research shows that habitable exomoons can be detected with a new method using current technology.

dateOct 26, 2009 in Space Exploration
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