News tagged with extrasolar planets

Related topics:

Imaging the planet-sized companion of a nearby star

( -- Of the nearly 500 extra-solar planets that have been confirmed to date, only about a dozen have actually been seen in images. Because planets are so much fainter than their host stars, special techniques ...

dateOct 15, 2010 in Astronomy
shares0 comments 2

Discovery of an extrasolar earth-sized planet

( -- There are now over 490 confirmed extrasolar planets. The vast majority are gas giants like Jupiter, but they are much stranger because many orbit close to their stars and so are much hotter than Jupiter (some ...

dateOct 08, 2010 in Astronomy
shares0 comments 9

Destroyer of worlds

( -- 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.

dateSep 24, 2010 in Astronomy
shares0 comments 8

Early exit for hot Jupiter due to deadly tides

( -- 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 by the ...

dateSep 10, 2010 in Astronomy
shares0 comments 1

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 of Jupiter, ...

dateAug 27, 2010 in Astronomy
shares0 comments 0