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2012/07/19 |
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Pioneer spacecraft 'anomaly' solved, and it's not new physics |
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A Jet Propulsion Laboratory researcher has solved the so-called Pioneer anomaly -- the unexpected slowing of the two Pioneer spacecraft -- and shown that it is not due to unknown physics, as some theoreticians had speculated. Instead, it is the result of heat radiated by the spacecraft.
Pioneer 10 and Pioneer 11 were launched in 1972 and 1973, respectively, on a trajectory toward the edge of the solar system. In the early 1980s, controllers at NASA's JPL detected a slight deceleration in th ……
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2012-07-19 12:44:13投稿
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