What Mysterious Force Is Making the Pioneer Spacecraft Change Its Course? ... causes a constant sunward acceleration of both spacecraft. ... explanation of the strange trajectory ...

... By: Lucian Dorneanu, Science Editor What Mysterious Force Is Making the Pioneer Spacecraft Change Its ... force remains, that causes a constant sunward acceleration of both spacecraft.

ANOMALOUS ACCELERATION. Data from several spacecraft, including Pioneer 10 and 11, Galileo, and Ulysses, provide ... with many years of Pioneer data, supplemented with trajectory ...

JPL Researchers investigate spacecrafts' mysterious velocity increment during Earth flybys. ... that the vast majority of spacecraft are on parabolic or ellipsoid trajectories. ...

... problems in physics; What causes the apparent residual sunward acceleration of the Pioneer spacecraft? ... perhaps due to an interaction with vacuum energy and such a trajectory ...

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... acceleration towards the Sun in the motions of the Pioneer 10, Pioneer 11 and Ulysses spacecraft. ... on a trajectory similar to Pioneer 10. ... 10, the Pioneer 11 spacecraft ...

Los Alamos (UPI) Aug 17, 2006 - U.S. scientists say mysterious changes in acceleration seen in NASA's Pioneer 10 and 11 space probes might point toward new ideas in ...

Pioneer 10 (also called Pioneer F) was the first spacecraft to travel through the asteroid belt ... object to have been set upon a trajectory ... as due to a constant acceleration of (8.74 ...

Unknown gravitational force slows progress of Pioneer spacecrafts. ... If the anomalous radial acceleration acting on spinning spacecraft is gravitational in origin, it is not ...