In considering the possibility of life on earth's planetary neighbors, astronomers have regularly passed up that distant giant Jupiter (1,312 times larger than earth). Jupiter drifts in a suffocating yellow cloud of ammonia and methane, 483 million miles from the sun, and scientists have reached the conclusion that the temperature of its cloud layer is a deathly cold 207° F. Its shroud is believed by some to conceal an ice layer 17,000 miles thick. But last week, writing in Radiation Research Magazine, a University of California astronomer raised the possibility that Jupiter's cloud...
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