News tagged with exoplanets

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Alien Planet Safari

The premiere observatory of the next decade, the James Webb Space Telescope, will launch in 2014 in search of "big game"--namely, the first stars and galaxies ever formed in our Universe. But the "little game" ...

Jan 14, 2010
5 / 5 (20) 0 | with audio podcast

The origin and maintenance of a retrograde exoplanet

Astronomers have used the Subaru Telescope to show that the HAT-P-7 planetary system, which is about 1040 light years from Earth in the constellation Cygnus, includes at least two giant planets and one companion ...

Jan 25, 2013
5 / 5 (4) 2 | with audio podcast

Big weather on hot Jupiters

Among the hundreds of new planets discovered by NASA's Kepler spacecraft are a class of exotic worlds known as "hot Jupiters." Unlike the giant planets of our own solar system, which remain at a safe distance ...

May 27, 2013
5 / 5 (2) 0 | with audio podcast

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 ...

Dec 08, 2010
4.8 / 5 (21) 6 | with audio podcast

Spitzer telescope puts planets in a petri dish

(Phys.org) —Our galaxy is teeming with a wild variety of planets. In addition to our solar system's eight near-and-dear planets, there are more than 800 so-called exoplanets known to circle stars beyond ...

May 06, 2013
4.4 / 5 (5) 1 | with audio podcast

Stellar winds may electrify exoplanets

(Phys.org) —The strangest class of exoplanets found to date might be even stranger than astronomers have thought. A new model suggests that they are partially heated by electric currents linked to their host stars. Florida ...

Jun 05, 2013
4.5 / 5 (11) 23 | with audio podcast

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 ...

Mar 05, 2012
4.6 / 5 (10) 1 | with audio podcast