News tagged with planetary bodies

Vesta likely cold and dark enough for ice

(PhysOrg.com) -- Though generally thought to be quite dry, roughly half of the giant asteroid Vesta is expected to be so cold and to receive so little sunlight that water ice could have survived there for ...

dateJan 25, 2012 in Space Exploration
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A Hazy View of Early Earth

Haze in the early Earth atmosphere could have played a crucial role in the origin of life. By forming a protective shield, the haze would have safeguarded organic substances from harmful ultraviolet (UV) radiation. ...

dateOct 12, 2009 in Earth Sciences
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Islands of Life Across Space and Time

A new study by the University of Puerto Rico at Arecibo shows the first quantitative evaluation of planetary habitability. The study identifies some potential habitats in the solar system and also shows how ...

dateOct 06, 2009 in Space Exploration
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Dirty stars make good solar system hosts (w/ Video)

Some stars are lonely behemoths, with no surrounding planets or asteroids, while others sport a skirt of attendant planetary bodies. New research published this week in The Astrophysical Journal Letters explains why the co ...

dateOct 06, 2009 in Astronomy
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