Wired News - November 15, 2007
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Astronomers have been observing a star system called HD 23514 in the Pleiades cluster that seems to be going through the same bumper-cars evolution as our own, with rocky planets potentially similar to Mercury, Venus, Earth and Mars in the process of formation.
Using an infrared camera with the Gemini North Telescope in Hawaii, a UCLA-led team has found hot dust surrounding a star much like our own Sun, but about 45 times younger. The warm dust appears to indicate what they call "catastrophic collisions" in a region roughly comparable to the space between the orbits of Mercury and Mars in our own solar system.
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