Shankland RS; Michelson-Morley Experiment. American Journal of Physics, 32, 16-35, 1964. Michelson A Gale H; The Effect of the Earth's Rotation on the Velocity of Light. The Astrophysical Journal, 61, 140-145, 1924. Stedman GE; Ring-laser tests of fundamental physics and geophysics. Progress in Physics 60,615-688(1997). Builder G; Ether and relativity. Australian Journal of Physics, 11, 279, 1958. ＊1. Tamiaki Yoneya; Shyoho-karano Butsurigaku (Physics from the Base). Tokyo, Hosodaigaku Kyoiku Shinkokai(The Society for the Promotion of the Open University of Japan). 2012; pp. 68. KEYWORDS: light speed velocity of light Ether substance-fields background of light Michelson’s experiment Michelson–Morley Michelson–Gale–Pearson MGP experiment Frame of light inertial frame absolute frame absolute-space

123: 88. [7] Shankland RS. Michelson-Morley Experiment. Amer. J. Phys. 1964; 32: 16-35. [8] Michelson A, Gale H. The Effect of the Earth's Rotation on the Velocity of Light. Astrophys. J. 1924; 61: 140-145. [9] Stedman GE. Ring-laser tests of fundamental physics and geophysics. Prog. Phys. 1997; 60: 615-688. [10] Builder G. Ether and relativity. Australian J. Phys. 1958; 11: 279. [11] ＊1. Tamiaki Yoneya. Shyoho-karano Butsurigaku (Physics from the Base). Tokyo, Hosodaigaku Kyoiku Shinkokai(The Society for the Promotion of the Open University of Japan). 2012; pp. 68.