News tagged with extrasolar planets

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Forget exomoons. Let’s talk exorings

In an article earlier this month, I discussed the potential for discovering moons orbiting extrasolar planets. I’d used an image of an exoplant system with rings, prompting one reader to ask if those wou ...

dateNov 25, 2011 in Astronomy
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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 ...

dateSep 10, 2010 in Astronomy
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Astronomy's bright future

To mark UNESCO's International Year of Astronomy (IYA2009), six leading astronomers from the UK, the US, Europe and Asia write in March's Physics World about the biggest challenges and opportunities facing international astron ...

dateMar 02, 2009 in Astronomy
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Martian Weather

The Mars Global Surveyor (MGS) is a NASA mission that arrived at Mars in September, 1997, and for nine years circled the planet every two hours in a polar orbit (that is, traveling from the north pole to the ...

dateMar 16, 2010 in Space Exploration
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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 ...

dateApr 26, 2010 in Astronomy
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