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Tuesday, November 10, 2009 |
Tuesday, November 10, 2009 |
Photo: Huge Hot Stars Create Planetary "Danger Zones"Smaller, relatively cool stars in these zones are at risk of having their planet-forming materials stripped away by extreme solar winds and radiation from much hotter stars nearby, as seen in an artist's illustration (bottom). Rosette Nebula image courtesy NASA/JPL-Caltech/Z. Balog (Univ. of Ariz./Univ. of Szeged); illustration courtesy NASA/JPL-Caltech/T. Pyle (SSC)
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