Scientists: Black Holes Energy-Efficient

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Scientists: Black Holes Energy-Efficient

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WASHINGTON - With gasoline hitting $3 per gallon, scientists have just found the most energy-efficient engines in the universe — black holes, those whirling super-dense centers of galaxies that suck in nearly everything.

The jets of energy spurting out of older ultra-efficient black holes also seem to be playing a crucial role as zoning cops in large galaxies, preventing too many stars from sprouting. That explains why there aren't as many burgeoning galaxies chock full of stars as previously expected, said scientists citing results from NASA's Chandra X-ray Observatory.

For the first time scientists measured both the mass of hot gas that is being sucked into nine older black holes and the unseen super-speedy jets of high energy particles spit out, which essentially form a cosmic engine. Then they determined a rate of how efficient these older black hole engines are and were awe-struck.

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Scientists are awe struck at the amount of energy put off by black holes. They say that black holes are 25 times more efficient then anything man has made including nuclear power plants. They say if a cars engine was this efficient, it would get a billion miles per gallon of gas.

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By YCON: posted on 25-4-2006

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