An Historical Account of the Origin and Progress of AstronomyBaldwin and Cradock, 1850 - 520 Seiten |
Inhalt
Chapter | 1 |
II | 14 |
The first Notices concerning Astronomy | 20 |
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Häufige Begriffe und Wortgruppen
according Almagest ancient angle apogeum appear apsides Arabians ascertained ascribed assigned astronomer attraction axis Bailly cause celestial bodies centre Chaldeans Christ circle circumference coincide comets commencement computed consequently considered constellation Copernicus degrees described determined diameter direction earth eccentric ecliptic Egypt Egyptians elements epicycle epoch equal equator equinoctial points equinox Eudoxus fixed stars formed former gnomon Greeks heavens heliacal heliacal rising Hindus Hipparchus horizon hypothesis inequalities inferior planets instruments interval Jupiter Kepler latitude latter length longitude luminary lunar mean distance mean motion mentioned meridian moon's movements nature nearly Newton nodes obliquity observations obtained opinion orbit parallax period phenomena philosopher planetary planets Plutarch pole precession probably Ptolemy respect retrograde revolution revolve right ascension rising Saturn shew shewn sidereal solar solstice sphere sun and moon sun's superior planets supposed surface theory tion Tycho Brahe variations velocity Venus vernal equinox vols zodiac