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Habitable zones

(PhysOrg.com) -- The "habitable zone" is the region around a star where a suitable planet could sustain the conditions necessary for life. Most astronomers take it to be the region where the balance between stellar radiation ...

dateAug 22, 2011 in Astronomy
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Does Asteroid Vesta have a moon?

(PhysOrg.com) -- NASA's Dawn spacecraft is closing in on Vesta, and from now until the ion-powered spacecraft goes into orbit in mid-July, every picture of the giant asteroid will be the best one ever taken. What will researchers ...

dateJul 07, 2011 in Space Exploration
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