Recreations in Astronomy ... the second editionJ. W. Parker, 1858 - 340 strán (strany) |
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Almanac altitude angle appear asteroids astronomers atmosphere attraction axis bright called centre circle circumstance comet constellation dark degrees dial diameter direction disk distance Earth Earth's orbit Earth's surface east ecliptic equal equator equinoctial fixed stars globe Greek heavenly bodies heavens Hence Herschel horizon inclined Julius Cæsar Jupiter Latin latitude latter light and heat longitude luminous lunar magnitude Mars mean Mercury meridian millions of miles Moon Moon's motion nearly Neptune night o'clock observed oval parallax passing path perihelion period planet point of Aries pole Pole-star portion position present Ptolemy Quadrant rays reckoned reflecting telescope respect revolution revolve round right ascension ring rises rotation round the Earth round the Sun satellites Saturn seasons seen shadow side solar eclipse solar system space sphere spot Sun and Moon Sun-dial Sun's supposed tail telescope termed tion Uranus velocity Venus visible zenith Zodiac