n MNASSA : Monthly Notes of the Astronomical Society of South Africa - Asteroid clues to Pioneer puzzle : news notes
|Article Title||Asteroid clues to Pioneer puzzle : news notes|
|© Publisher:||Astronomical Society of Southern Africa (ASSA)|
|Journal||MNASSA : Monthly Notes of the Astronomical Society of South Africa|
|Publication Date||Jun 2005|
Extracted from text ... 89 june 2005 Asteroid clues to Pioneer puzzle Far-flung asteroids could help reveal the nature of the mysterious force that has nudged NASA's 33-year-old Pioneer 10 spacecraft about 400 000 kilometres off course. The so-called Pioneer anomaly could be accounted for by a force pulling the probe towards the sun with a strength of just one ten-billionth of the gravity at Earth's surface. But no one has managed to explain the nature of this force, and many suspect that it is just a systematic error in the data or a fault of the spacecraft design. Others have suggested sending another spacecraft to study the effect, at great expense. But there might be a cheaper way to find an explanation. ..
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