News tagged with extrasolar planets

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Imaging the planet-sized companion of a nearby star

(PhysOrg.com) -- 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 ...

Oct 15, 2010
4.8 / 5 (13) 2 | 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

Finding Twin Earths: Harder Than We Thought

(PhysOrg.com) -- Does a twin Earth exist somewhere in our galaxy? Astronomers are getting closer and closer to finding an Earth-sized planet in an Earth-like orbit. NASA's Kepler spacecraft just launched to ...

Mar 20, 2009
4.6 / 5 (16) 1

Transit Search Finds Super-Neptune

(PhysOrg.com) -- Astronomers at the Harvard-Smithsonian Center for Astrophysics have discovered a planet somewhat larger and more massive than Neptune orbiting a star 120 light-years from Earth. While Neptune ...

Jan 20, 2009
4.1 / 5 (9) 8

Extrasolar storms: How's the weather way out there?

Orbiting the Earth 353 miles above the ground, the Hubble Space Telescope silently pivots toward its new target. At the same time, flying 93 million miles away in interplanetary space, NASA's Spitzer Space ...

Jan 13, 2015
4.9 / 5 (9) 0