News tagged with extrasolar planets

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Astronomers track long, strange voyage of distant planet

(PhysOrg.com) -- University of Pittsburgh planet hunters based at the Allegheny Observatory were one of nine teams around the world that tracked a planet 190 light-years from Earth making its rare 12-hour passage in front ...

Sep 28, 2010
4.9 / 5 (12) 37 | with audio podcast

Destroyer of worlds

(PhysOrg.com) -- Astronomers, in addition to discovering extrasolar planets (about 500 of them currently have known orbital parameters), have detected excess, warm infrared dust emission around many stars.

Sep 24, 2010
4.8 / 5 (16) 8 | with audio podcast

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 ...

Sep 10, 2010
4.7 / 5 (14) 1 | with audio podcast

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 ...

Aug 27, 2010
4.7 / 5 (17) 0 | with audio podcast

A New Way to Find Earths

Astronomers have used a completely new technique to find an exotic extrasolar planet. The same approach might even be sensitive enough to find planets as small as the Earth in orbit around distant stars.

Jul 09, 2010
4.9 / 5 (22) 5 | with audio podcast

UF astronomers pioneer new planet-observing technique

(PhysOrg.com) -- Using the world’s largest optical telescope, a team of University of Florida astronomers has pioneered a new method of observing planets outside our solar system. The method suggests that large Earth-based ...

Jun 24, 2010
5 / 5 (5) 0

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 ...

Jun 23, 2010
5 / 5 (6) 0

The Kepler Mission

(PhysOrg.com) -- Since the first planet around another star (an "extrasolar planet") was discovered by SAO astronomers and others in 1989, over 450 extrasolar planets have been found. Their study now comprises a whole new ...

Apr 26, 2010
5 / 5 (2) 1