About OKAMOTO TAKASHI
About 筑波大 計算科学研究セ
About black hole
About galactic evolution
About galaxy formation
About our galaxy
About core(earth)
About accretion disk
About dispersion
About feedback
About supermassive black hole
About supermassive black hole
About active galactic nuclei
About 銀河バルジ
About velocity dispersion
About Nebulae
About ブラックホール
About 銀河
About 超巨大ブラックホール