The Expanse of Heaven: A Series of Essays on the Wonders of the Firmament |
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actually Almighty Alpha Centauri altogether appear asteroids Astronomer Royal astronomers atmosphere blue sun bodies brightness CALIFORN celestial circling clouds cluster colour comet course dark degree diameter disc distance double stars earth enormous enquire exist fact giant planets globe glowing greater heavens Herschel hundred imagine infer infinite inhabitants Jupiter Jupiter's known larger less light and heat living creatures lunar magnitude Mars mass matter meteors miles per second Milky millions of miles minor planets moon moon's motion moving nearly Neptune night objects observed orange day orange sun orbit orbs passed path perceive planetary planetary system present probably processes reality reason recognise regarded regions remarkable rendered respecting ring round the sun Saturn scheme seems seen shining Sirius solar system space star depths stellar suppose surface terrestrial theory thou thought thousand tion travelling universe Uranus vapour velocity Venus whole wonderful worlds