Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufm.g11c0662t&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #G11C-0662
Physics
[1200] Geodesy And Gravity, [1217] Geodesy And Gravity / Time Variable Gravity, [1219] Geodesy And Gravity / Gravity Anomalies And Earth Structure
Scientific paper
Gravitation is Retarded:Theory and Evidence There were more than twenty times of observations about gravity anomalies during the solar eclipses since Maurice Allais’s pendulum test during the total solar eclipse of 1954 in Paris. All the theoretical modes are calculated according to Newton’s gravitation law. But due to the observation environments and conditions during above observations were not quite well, the platform for mounting the gravimeters were quite simple, so that the environment and human’s disturbance were unavoidable, therefore the data obtained from above observation where questionable. It is very hard to give a conclusion to say the gravity anomalies during the eclipses were really existing or not. The more important issue is that none of the suggested external factors could account for the magnitude and timing of observed anomalies, according to Chris Duif of University of Technology of Netherland. Since the total solar eclipse of Mohe, 1997, I have been working on a theory to explain the gravity anomalies. At Mohe, I was watching the image of the eclipse, and led a scientific term to conduct a comprehensive geophysical observation, including the gravity observation. The two kinds of observations were conducted at same location and same time. We noticed that solar light of the eclipse was emitted 500 seconds before the image reached to our eyes and cameras. It was reasonable to have similar idea that the gravitation emitted from the sun is also 500 seconds before our gravimeter received and recorded it; it means that gravitation is retarded. Based on either the Special Relativity or Leinard-Wiechert retarded potential, I have deduced the expressions for retarded gravitation; it is vector modification on Newton’s universal gravitation law. The retarded gravitation is gRT=-GM(R-Rβ)(1-β2)/R3(1-βr)3 For common cases, bodies move in a weak gravitation field along a quasi-straight light or with a slow speed, such as planets move around the sun or the moon/satellites moves around the earth, I have deduced a very useful expression gRT=gNT[1+(βθ2-2βr2)/2c2] where,β=v/c,βr=vr/c,βθ=vθ/c, gNT=-GMr/r3. I would like to stress that the approximate solution from the general relativity is only of a scalar modification, as a comparison. The Great Total Soar Eclipse along Yangzi River of July 22 of 2009 provided us a great opportunity to clean up the doubts for last 50 years. Consider that solar gravitation is retarded and the earth’s response is delayed, moon’s retarded factor is negligible, all the theoretical amplitudes and the frequencies for each components of solar tide and moon tide can be calculated, the amplitudes and delay factor of earth tide, the frequencies for each components of solar tide, moon tide and earth tide can been separated and measured from the observation data: AsinωS(t-tS+tE)+BsinωM(t+tE)=Csinωtot(t+ttot). Taking t=t1 and t=t2, we can get two equations with only two variables, solve the two equations, we can get the retarded factor of the solar gravitation and the delay factor of earth response for each compoenets. The retarded factor obtained will be strong evidence that gravitation is retarded.
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