A New Manual of the Elements of Astronomy: Descriptive and Mathematical ... [comprising the Latest Discoveries and Theoretic Views, with Directions for the Use of the Globes, and for Studying the Constellations.] |
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altitude angle angular distance aphelion apparent diameter appearance astronomers atmosphere axis body calculated called caused celestial sphere centre comet constant day constellations degree density diagram direction disc discovered discovery earth earth's orbit earth's surface east eccentricity ecliptic elongation equal equator equinoctial equinox globe greatest heavens hemisphere hence horizon inclination inferior conjunction inferior planet Jupiter Kepler's latitude latter length light longitude luminous lunar eclipse magnitude Mars mass mean distance Mercury meridian meteors millions of miles minor planets moon moon's move nearly nebula Neptune night node oblateness oblique observed occur opposite parallax pass perihelion phenomena points polar circles pole position primary planets Ptolemy quadrature QUESTIONS.-b ratio represent revolution revolve right ascension rings rotation satellites Saturn seen sidereal period situated solar system solstice spots stars superior conjunction superior planets supposed synodic period telescope tides tion transit Uranus velocity Venus visible zenith zodiac