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11-April-2005, 06:45 PM
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SUMMARY: Wolf Rayat stars are some of the most massive and dangerous stars in the Universe, living out the final days before they explode as supernovae. And astronomers have found two of them orbiting one another at distances varying as close as the Sun is to Mars and as far as the Sun to Neptune. One star is 20 times the mass of the Sun, and the other 50 times the mass of the Sun, and they only take 7.9 years to complete their orbital cycle.
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