The Astronomy of Milton's 'Paradise Lost'

61 Cygni allusion ancient ANDREW LANG apastron appearance ascertained astro astronomers attraction axis beautiful believed binary star bright brilliancy called celestial centre clouds clusters colour comet constellation Copernican theory Copernicus Crown 8vo dark described diameter disc discovered discovery distance double stars ecliptic Essays existence firmament fixed stars Galileo globe gravitation heavenly bodies heavens Herschel HISTORY Horrox Illus Illustrations imagination irregular Jupiter Kepler known light luminous lunar M.A. Crown 8vo magnitude miles Milky Milton Moon motion naked eye nature nebula night object observatory observed occupied Ophiuchus orbit Paradise Lost parallax path perceived periastron period photosphere planetary planets Pleiades poem poetic position Ptolemaic Ptolemaic system regarded regions resembling revolution revolve round ring rotation round the Sun satellites shining Sirius solar system space sphere spots starry stellar sun-spots Sun's surface telescope thou tion travels Tycho Brahé universe velocity Venus visible vols whilst worlds