Stars and telescopes; a hand-book of popular astronomy, founded on the 9th ed. of Lynn's Celestial motions (1899)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911. Celestial motions · Boston, Little, Brown and company · leaf 84
he placeof observation, be-ing greatest at theequator, where thevelocity producedby the Earths ro-tation is greatest, and smaller the nearer the polesare approached, at which points the diurnal aberra-tion vanishes. At latitude 400, the average for placesin the United States, the constant of… … Leon Foucault (1819-1868) CHAPTER VI THE SUN /^\N the Suns distance depends our knowledge of^-^ all absolute magnitudes in the solar system; forby Keplers third law (page 93), the proportions ofthe distances of all the bodies moving round the Sunare known exactly from their periodic times of…
Astronomy
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