"Why are O and B stars the brightest in open clusters, and why are red giants the brightest stars in globular clusters?"
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A Solar Analogue Explored
July 20, 2005 / Posted by: Shige Abe
Astronomers from NAI’s Lead Teams at UCLA and the Carnegie Institution of Washington describe in this week’s issue of Nature their observations of large quantities of warm dust debris surrounding a Sun-like star some 300 light years from Earth. The dust is orbiting close to the star, and is similar in composition to dust in the Solar System. The composition and quantity of the dust may indicate massive and/or frequent collisions of large objects, perhaps similar to the theorized impactor that struck Earth to form the Moon.
Source: [Link]
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