News tagged with exoplanet

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Explained: Transiting exoplanets

In the quest to find life elsewhere in the universe, planetary scientists have detected more than 500 planets outside the solar system, or exoplanets, over the past 15 years. About one-fifth of those were ...

dateJan 27, 2011 in Astronomy
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Inclined orbits prevail in exoplanetary systems

A research team led by astronomers from the University of Tokyo and the National Astronomical Observatory of Japan (NAOJ) has discovered that inclined orbits may be typical rather than rare for exoplanetary ...

dateJan 13, 2011 in Astronomy
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Planet affects a star's spin

The discovery of a hot Jupiter exoplanet that transfers orbital momentum to its host star may hold the key to a clearer understanding of the evolution of common planetary systems, according to findings presented ...

dateJan 13, 2011 in Astronomy
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Learning from hot Jupiters

The possibility of discovering a planet that is small, cool, rocky, orbiting a sunlike star and able to host life -- an Earth twin, in other words -- has made the search for planets outside of our solar ...

dateDec 15, 2010 in Astronomy
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First carbon-rich exoplanet discovered

(PhysOrg.com) -- A team led by a former postdoctoral researcher in MIT's Department of Earth, Atmospheric and Planetary Sciences and the MIT Kavli Institute for Astrophysics, recently measured the first-ever ...

dateDec 08, 2010 in Astronomy
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Early exit for hot Jupiter due to deadly tides

(PhysOrg.com) -- Bad news for planet hunters: most of the "hot Jupiters" that astronomers have been searching for in star clusters were likely destroyed long ago by their stars. In a paper accepted for publication ...

dateSep 10, 2010 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 ...

dateAug 27, 2010 in Astronomy
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Explained: the Doppler effect (w/ Video)

Many students learn about the Doppler effect in physics class, typically as part of a discussion of why the pitch of a siren is higher as an ambulance approaches and then lower as the ambulance passes by. ...

dateAug 03, 2010 in General Physics
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Plentiful and Potential Planets

Two planet-hunting telescopes - CoRoT and Kepler - are keeping astronomers hard at work cataloging far-distant planets that orbit other stars in our galaxy. The search for distant planets is essential for ...

dateJun 23, 2010 in Astronomy
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