Cosmos: A Sketch of a Physical Description of the Universe, Nide 3

1st magnitude 61 Cygni 6th magnitude 8vo pub according ancient Annuaire appeared Arago Aratus Arcturus Argelander Astr astronomers atmosphere beautiful beautifully Bessel brightness Cape Cassiopeia catalogue celestial century cloth gilt comets Compare complete constellations containing cosmical bodies Cosmos Cygni d'une Decl determined diameter distance double stars earth Engravings étoiles fcap fixed stars gilt cloth gilt edges Greek half bound half morocco half-bound morocco Hipparchus HISTORY illustrated instruments intensity of light Kepler l'image l'œil lumière luminous lunette Lyræ Mädler Memoir Milky morocco Nachr naked eye nature nebula number of stars object-glass observations Ophiuchus orbits parallax period phenomena photometric planetary planets Plates pub Portrait pub post 8vo proper motion Ptolemy rayons rays reference regions of space remarkable right ascension royal 4to royal 8vo satellites scintillation Sir John Herschel Sirius sphere stellar strata Struve surface telescope thick vol tion Tycho Brahe variable stars vault of heaven velocity visible William Herschel