Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 173
the contrary direction EGF, at What is the daily amount of retrogradation ? In what period does the line of the nodemake a complete revolution? Are the moons perigee and apogee stationary as respectsher nodes ? In what direction do they move ? What is the line of the apsides, and howdoes it move ?… … MOTIONS OK THE NODES AND APSIDES. about half Hie rate at which it revolves on its centre, wecan roughly represent both the motion of the line of thenodes, and that of the line of the apsides. For it is evi-dent, first, that the supposed line of the nodes EDF,would revolve in the imaginary plane of…
Astronomy
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