News tagged with host star

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The shocking environment of hot Jupiters

(PhysOrg.com) -- Jupiter-like worlds around other stars push shock waves ahead of them, according to a team of UK astronomers. Just as the Earth's magnetic "bow-shock" protects us from the high-energy solar ...

dateApr 19, 2011 in Astronomy
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The rose-red glow of star formation

The vivid red cloud in this new image from ESO's Very Large Telescope is a region of glowing hydrogen surrounding the star cluster NGC 371. This stellar nursery lies in our neighboring galaxy, the Small Magellanic ...

dateMar 30, 2011 in Astronomy
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Assumptions about exo-oceans

Some estimates indicate that 25% of Sun-like stars have Earth-like planets. A new study now shows that these planets are almost certain to have oceans if they are located in the right temperature zone around ...

dateMar 04, 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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Planet and star are indeed moving together

(PhysOrg.com) -- A planet about eight times the mass of Jupiter has been confirmed to orbit a Sun-like star that's some 300 times farther from its own star than Earth is from its sun.

dateJun 29, 2010 in Astronomy
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Exoplanet caught on the move (w/ Video)

(PhysOrg.com) -- Only 12 million years old, or less than three-thousandths of the age of the Sun, Beta Pictoris is 75% more massive than our parent star. It is located about 60 light-years away towards the ...

dateJun 10, 2010 in Astronomy
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The Supernovae of Triangulum

(PhysOrg.com) -- The Triangulum Galaxy, at a distance of only 2.6 million light-years, is one of the closest spiral galaxies to earth. It is also the third largest member of our galactic neighborhood (after ...

dateApr 30, 2010 in Astronomy
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Turning Planetary Theory Upside Down (w/ Video)

(PhysOrg.com) -- The discovery of nine new transiting exoplanets is announced today at the RAS National Astronomy Meeting. When these new results were combined with earlier observations of transiting exoplanets ...

dateApr 13, 2010 in Astronomy
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First temperate exoplanet sized up (w/ Video)

(PhysOrg.com) -- Combining observations from the CoRoT satellite and the ESO HARPS instrument, astronomers have discovered the first “normal” exoplanet that can be studied in great detail. Designated Corot-9b, ...

dateMar 17, 2010 in Astronomy
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VLT captures first direct spectrum of an exoplanet

(PhysOrg.com) -- By studying a triple planetary system that resembles a scaled-up version of our own Sun’s family of planets, astronomers have been able to obtain the first direct spectrum -- the “chemical ...

dateJan 13, 2010 in Astronomy
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