News tagged with extrasolar planets

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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
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Finding Twin Earths: Harder Than We Thought

( -- 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 find such worlds. ...

dateMar 20, 2009 in Astronomy
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Transit Search Finds Super-Neptune

( -- 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 has a diameter ...

dateJan 20, 2009 in Astronomy
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Robotically discovering Earth's nearest neighbors

A team of astronomers using ground-based telescopes in Hawaii, California, and Arizona recently discovered a planetary system orbiting a nearby star that is only 54 light-years away. All three planets orbit their star at ...

dateApr 28, 2015 in Astronomy
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Tau Ceti: The next Earth? Probably not

As the search continues for Earth-size planets orbiting at just the right distance from their star, a region termed the habitable zone, the number of potentially life-supporting planets grows. In two decades we have progressed ...

dateApr 22, 2015 in Astronomy
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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 Telescope receives ...

dateJan 13, 2015 in Astronomy
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