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| | SPACE.com -- The Problem with Gravity: New Mission Would Probe Strange Puzzle |
 | | Scientists are quick to suggest the Pioneer anomaly, as they call it, is probably caused by the space probes themselves, perhaps emitting heat or gas. |
 | | He is not paid to work specifically on the problem, so he has to juggle the disturbing thought with his regular research, which involves other aspects of gravity and, significantly, whether theories that explain the glue of the whole universe might one day match neatly with those describing the invisible, subatomic world. |
 | | Even if the anomaly is caused by the Pioneer probes themselves, figuring it out will be useful says Turyshev, who is the proposal leader for the U.S. group. |
| www.space.com /scienceastronomy/mystery_monday_041018.html (1461 words) |
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