For three decades, two NASA probes drifting toward interstellar space appeared to be decelerating by...
SCIENCE
May 21, 2026
The Pioneer 10 and 11 spacecraft were found to be decelerating slightly more than gravity could explain, and for thirty years physicists wondered if Newton was wrong before realizing in 2012 that the answer was the probes' own waste heat gently pushing the
For three decades, two NASA probes drifting toward interstellar space appeared to be decelerating by an amount that gravity alone could not explain.
For three decades, two NASA probes drifting toward interstellar space appeared to be decelerating by an amount that gravity alone could not explain.
Author: Space Daily
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