News tagged with exoplanets

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Brown dwarf pair mystifies astronomers

(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international ...

Dec 21, 2009
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Mission: To discover exoplanets

This small satellite of primarily Swiss design was chosen above twenty-five other projects. Named CHEOPS for "CHaracterizing ExOPlanet Satellite," the selection of this device was just announced by the European ...

Oct 25, 2012
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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.

May 16, 2011
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Spiral arms hint at the presence of planets

A new image of the disk of gas and dust around a sun-like star has spiral-arm-like structures. These features may provide clues to the presence of embedded but as-yet-unseen planets.

Oct 19, 2011
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Planet spotting

The Extrasolar Planets Encyclopedia counted 548 confirmed extrasolar planets at 6 May 2011, while the NASA Star and Exoplanet Database (updated weekly) was today reporting 535. These are confirmed findings ...

May 09, 2011
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Where's the debris for transiting planets?

For many exoplanet systems that have been discovered by the radial velocity method, astronomers have found excess emission in the infrared portion of the spectrum. This has generally been interpreted as remnants ...

Sep 06, 2011
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