News tagged with exoplanets

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Sunny super-Earth?

(Phys.org) —Researchers from NAOJ and the University of Tokyo have observed the atmosphere of super-Earth "GJ3470b" in Cancer for the first time in the world using two telescopes at OAO (Okayama Astrophysical Observatory, NAOJ). This ...

Jun 12, 2013
5 / 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

How common are earths around small stars?

(Phys.org) —The Kepler mission has revolutionized the study of exoplanet statistics by increasing the number of known extrasolar planets and planet candidates by a factor of five, and by discovering systems ...

Jun 03, 2013
4.2 / 5 (19) 16 | with audio podcast

Lightest exoplanet imaged so far?

(Phys.org) —A team of astronomers using ESO's Very Large Telescope has imaged a faint object moving near a bright star. With an estimated mass of four to five times that of Jupiter, it would be the least ...

Jun 03, 2013
4.8 / 5 (5) 0 | 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

Einstein's exoplanet

(Phys.org) —Eight hundred and eighty nine exoplanets (planets around stars other than our Sun) have been discovered to date. Most of them were found using the Kepler satellite, which spots small dips in ...

May 27, 2013
4.6 / 5 (10) 12 | with audio podcast

Sifting through the atmospheres of far-off worlds

(Phys.org) —Gone are the days of being able to count the number of known planets on your fingers. Today, there are more than 800 confirmed exoplanets—planets that orbit stars beyond our sun—and more ...

May 09, 2013
4.8 / 5 (6) 3 | 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