Popular Astronomy: A Series of Lectures Delivered at IpswichMacmillan, 1868 - 292 Seiten |
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aberration of light accurate angle angular distance appear ascertain astronomers ball body calculation Cambridge Cavendish experiment clock cloth College computed Crown 8vo curve degrees described diameter direction diurnal motion earth earth's axis earth's centre earth's equator ecliptic effect ellipse endeavoured English equatoreal exactly explain Extra fcap Fcap Figure fluid force globe Grammar gravity Greek Greenwich heavens horizon hour inclination Jupiter Latin Lectures lunar precession mathematical matter meridian method millions of miles moon moon's motion move Mural Circle nearly North Pole nutation object observations Observatory orbit parallax passes the meridian pendulum perpendicular planets plumb-line point of Aries Polar Star position precession principles produced Professor proportion pull refraction revolve rotation round the sun satellites Schools Second Edition seen spheroid sun's attraction suppose supposition surface telescope thing tion transit instrument transit of Venus turn velocity Venus whole Zenith Sector