Quote:
Originally Posted by Blob
He does not think it is connected to the Pioneer anomaly, since the force behind this seems always to point in the same direction, back towards the sun.
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I'm intrigued by this statement, because it's something I've wondered about. Has the Pioneer anomaly been convincingly shown to be toward the sun? Because I understood there were three possibilities: (1) that it was toward the earth, indicating some measurement anomaly; (2) that it was toward the sun, indicating a gravitational anomaly; or (3) that it was in the trajectories, indicating something like dark matter slowing them down.
I think that if it is accepted that the acceleration is toward the sun, then gravity is the place to look for an explanation.