The ‘Spiral Galaxy’ at Saturn’s Pole土星の極にある「渦巻銀河」 by Wal Thornhill | November 20, 2006 10:55 am Poincaré, at the conclusion of the preface to his book, ‘Hypothéses Cosmogoniques‘, states:ポアンカレは、著書『コスモゴニークの仮説』の序文の終わりで次のように述べています: 〈“One fact that strikes everyone is the spiral shape of some nebulae; i…