Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 544
7) (we should now call it the second), suffers occultation—that is, passes into Jupiters shadow—at equal intervals of time, which are42h. 28m. 36s. Romer constructed a table giving the exact times at whichoccultations would occur for a year in advance, and compared the observedwith the calculated… … Fig. 477 satellite are approximately the same, that is, the observed occultation occursat the predicted time ; but, in proportion as the earth moves away in itsrevolution round the sun, s^ the apparent interval between the moment whenthe occultation was expected and that at which it occurs…
Physics
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