Einstein’s prediction of light deflection could not be tested immediately in 1915, because the First World War was in progress, and it was not until 1919 that a British expedition, observing an eclipse from West Africa, showed that light was indeed deflected by the sun, just as predicted by the theory. This proof of a German theory by British scientists was hailed as a great act of reconciliation between the two countries after the war. It is ionic, therefore, that later examination of the photographs taken on that expedition showed the errors were as great as the effect they were trying to measure. Their measurement had been sheer luck, or a case of knowing the result they wanted to get, not an uncommon occurrence in science. (Stephen Hawking, A Brief History of Time)
Tests on the general relativity theory as suggested by Albert Einstein: the photo taken to the stars at the time when the sun was dark during the solar eclipse was compared to the photo of the same stars taken at another time. The words ‘was compared to the photo of the same stars taken at another time’ means proposal suggested by Albert Einstein is unjustifiable from scientific point of view of the astronomy.
It is really hard to understand that the tests was conducted by a team led by Arthur Eddington in 1919.
Here we know general relativity was wrong. Einstein ignored light refraction: astronomical refraction and terrestrial refraction, when he proposed the proving method for general relativity, and at the same time ignored the existing of the celestial sphere. Each point in the earth has its own celestial sphere. The celestial sphere is only applicable at a certain time and at a certain place on which such observation is performed.
