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. ...

Oct 12, 2009
4.3 / 5 (4) 3

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 ...

Oct 06, 2009
4.3 / 5 (12) 1

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 ...

Oct 06, 2009
4.6 / 5 (7) 1
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