About AKAHORI Takuya
About Univ. Tsukuba, Ibaraki
About YOSHIKAWA Kohji
About Univ. Tsukuba, Ibaraki
About Publications of the Astronomical Society of Japan
About cluster of galaxies
About intergalactic matter
About metal ion
About Iron
About shock wave
About temperature distribution
About cosmic X-ray source
About collisional ionization
About nonequilibrium state
About equilibrium state
About Mach number
About many-body problem
About luminous intensity
About Computer Simulation
About cluster
About group
About computer application
About utilization
About Abell399
About Abell401
About Nebulae
About Origin of cosmic ray
About 非平衡
About イオン化
About 温度構造