Astronomy, as it is Known at the Present Day: To which is Added,a Supplement, Containing an Account of the Nature and Use of Astronomical Instruments, the Manner of Calculating the Notes of the Calendar, the Distances and Magnitudes of the Planets, and a Number of Other Useful and Interesting Calculations in Astronomy |
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Astronomy, as It Is Known at the Present Day (Classic Reprint) George G. Carey No preview available - 2018 |
Common terms and phrases
altitude angle appear ascertained astronomers atmosphere Aurora Borealis axis calculations called celestial bodies centre circle clouds colour Comets conjunction constellation degrees direction disc discovered diurnal diurnal motion Dominical letter earth's orbit eccentric anomaly eclipse equal equator equinox eye-glass fixed stars glass globe gravity greater greatest half heat heavenly bodies heavens Hence Herschel horizon inferior conjunction Jupiter known latitude length less light longitude luminous lunar magnitude mean anomaly mean distance Mercury meridian miles minutes moon moon's motion move nearly night node object observed opposite parallax passing perihelion period phenomena poles produced quantity of matter rays refracting telescope refraction retrograde motion revolution round revolve right ascension rise round the earth round the sun satellites Saturn seen shadow shines sidereal solar spherical spots sun and moon sun's supposed surface telescope tides tion true anomaly tube Uranus Venus visible