About NAKASHI Keisuke
About Rikkyo Univ., Tokyo, JPN
About KOBAYASHI Shinpei
About Tokyo Gakugei Univ., Tokyo, JPN
About UEDA Shu
About Tokyo Gakugei Univ., Tokyo, JPN
About SAIDA Hiromi
About Daido Univ., Nagoya, JPN
About Progress of Theoretical and Experimental Physics (Web)
About gravity theory
About curve
About geodetic line
About black hole
About impact parameter
About repulsive force
About space-time
About deflection (direction)
About null geodesic
About massive gravity
About Other theories including relativity and gravitation
About 有質量重力
About 重力
About ヌル測地線
About 斥力
About 挙動