News tagged with exoplanet

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Exoplanet may have metal-rich atmosphere

At first glance, GJ 1214b is just another of the growing number of the super-Earth class of exoplanets. Discovered by the MEarth Project in 2009, it orbits an M dwarf in Ophiuchus in a tight orbit, swinging ...

Mar 16, 2011
5 / 5 (6) 8 | with audio podcast

An Exoplanet with a Potassium-Rich Atmosphere

(PhysOrg.com) -- A hot Jupiter - a type of celestial object unknown only fifteen years ago - is a Jupiter-sized exoplanet orbiting so close to its host star that its atmospheric temperature is thought to be ...

Mar 04, 2011
5 / 5 (7) 3 | with audio podcast

UCL space missions get the go-ahead

University College London space scientists are involved in two out of four missions that have been selected by the European Space Agency to compete for a launch opportunity at the start of the 2020s.

Mar 03, 2011
3.7 / 5 (3) 1

Explained: Transiting exoplanets

In the quest to find life elsewhere in the universe, planetary scientists have detected more than 500 planets outside the solar system, or exoplanets, over the past 15 years. About one-fifth of those were ...

Jan 27, 2011
3.3 / 5 (3) 3

Inclined orbits prevail in exoplanetary systems

A research team led by astronomers from the University of Tokyo and the National Astronomical Observatory of Japan (NAOJ) has discovered that inclined orbits may be typical rather than rare for exoplanetary ...

Jan 13, 2011
5 / 5 (1) 0

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 ...

Jan 13, 2011
4.3 / 5 (6) 4 | with audio podcast

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 ...

Dec 15, 2010
5 / 5 (1) 5

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

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