Discovery News - JAN 3, 2014 02:29 PM ET // BY IAN O'NEILL
During measurements of spacecraft flybys of Earth, very slight anomalies in spacecraft speed have been detected.
During a presentation at the American Geophysical Union (AGU) conference in San Francisco in December, GPS expert Ben Harris (of the University of Texas at Arlington) described some tricky measurements of the Earth’s mass using the armada of GPS satellites that are in orbit around our planet. He noticed a mass discrepancy when compared with “official” mass measurements as quoted by the International Astronomical Union (IAU).
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