News tagged with extrasolar planets

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Adventures in the 'Goldilocks zone'

When NASA's Kepler telescope rocketed into the night sky last week, two Berkeley astronomers watching its fading contrail were hoping that the telescope will reveal Earth's — and humanity's — place in ...

dateMar 12, 2009 in Space Exploration
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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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Hubble to target 'hot jupiters'

(PhysOrg.com) -- An international team of astronomers led by a former UA graduate student has set out on the largest program to date exploring the alien atmospheres of "Hot Jupiters" - massive planets in solar ...

dateAug 22, 2011 in Astronomy
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What are hot Jupiters?

When astronomers first discovered other planets, they were completely unlike anything we've ever found in the Solar System. These first planets were known as "hot Jupiters", because they're giant planets ...

dateFeb 13, 2014 in Astronomy
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Brown Dwarfs Don't Hang Out With Stars

(PhysOrg.com) -- Brown dwarfs, objects that are less massive than stars but larger than planets, just got more elusive, based on a study of 233 nearby multiple-star systems by NASA's Hubble Space Telescope. ...

dateJan 05, 2009 in Astronomy
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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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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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