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

61 Cygni abode according Alpha Centauri amount of light analogy aphelion appear associated asteroids astronomers atmosphere belts bodies bright lines changes circle clouds cluster comets conceive conclusion consider corona corresponding dark lines diameter disc distance earth emit enormous equator equatorial evidence exhibit exist fact favour fixed stars galactic globe heavens hemisphere inclination indicate infinite inhabitants inner satellites Jupiter Jupiter's less light and heat living creatures lucid stars lunar Mars Martian mass Mercury meteoric systems Milky minute moon moon's motion nearly nebulæ Neptune observed oceans orbit orbs peculiarity planet planetary polar portion present probability proper motion proportion reason recognise regarded regions relation resembling respecting ring rotation satellites Saturn Saturnian seems seen sidereal system Sir John Herschel Sir William Herschel skies solar system space spectroscope spots stellar sun's supposed surface telescope terrestrial theory tion Uranian Uranus Venus worlds zodiacal light zone