Other Worlds Than Ours: The Plurality of Worlds Studied Under the Light of Recent Scientific Researches

61 Cygni abode according Admiral Smyth Alpha Centauri altogether amount of light analogy aphelion appear asteroids astronomers atmosphere belts bodies bright lines circle clouds cluster comets conceive conclusion consider continually corona corresponding dark lines diameter disk distance doubt earth emit enormous equator equatorial evidence exhibit exist fact fixed stars force galactic galaxies globe heavens hypothesis indicate infinite infinity inhabitants inner satellites Jupiter less light and heat living creatures lunar Mars Martial Mercury meteoric systems Milky minute moon moon's motion nearly nebulæ Neptune observed oceans orbit orbs pass peculiarity planet planetary present proper motion proportion reason recognize regard regions relation resembling respecting ring rotation satellites Saturn Saturnian scheme seems seen sidereal system Sir John Herschel Sir William Herschel skies solar system space spectrum spots stellar sun's suppose surface telescope terrestrial theory tion Uranian Uranus Venus worlds zodiacal light zone