For 360 years, see Harrington, p | Espenak, Fred January 6, 2009 |
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Espenak, Fred; Meeus, Jean January 26, 2007 | "Precise measurement of gravity variations during a total solar eclipse" |
Espenak, Fred August 28, 2009 | Blakeslee, Sandra November 14, 2006 |
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Kate Russo 1 August 2012 | Greenbelt, MD: NASA Goddard Space Flight Center |
"Gravity anomaly during the Mohe total solar eclipse and new constraint on gravitational shielding parameter" | Espenak, Fred July 11, 2005 |
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"Eclipse Flight of Concorde 001" | , 2006, Measurements and predictions of the illuminance during a solar eclipse, in: European Journal of Physics, vol |