Dawn Enters Asteroid Belt -- For Good
(PhysOrg.com) -- NASA's Dawn spacecraft re-entered our solar system's asteroid belt today, Nov. 13, and this time it will stay there.
Space Exploration
Nov 16, 2009
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Page 9 - News tagged with planetary body
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.
Earth Sciences
Oct 12, 2009
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NASA Refines Asteroid Apophis' Path Toward Earth
(PhysOrg.com) -- Using updated information, NASA scientists have recalculated the path of a large asteroid. The refined path indicates a significantly reduced likelihood of a hazardous encounter with Earth in 2036.
Space Exploration
Oct 7, 2009
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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 ...
Astronomy
Oct 6, 2009
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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 the habitability ...
Space Exploration
Oct 6, 2009
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