A new treatise on astronomy, and the use of globes : in two parts ... (1866)
M'Intire, James, 1799-1879 · New York : Published by A.S. Barnes & Burr ... · leaf 49
What are the corresponding points in the moons orbit, or the apparent01 bit of the sun, called ? Wliat also called 3 39. Wliiiii has the sun the least apparent diameter, and when the great-est ? What is the suns apparent daily motion in longitude, or angularvelocity, at these times? To what are the… … we have sector 8 / ff : sect,S c rf :: 1 : r*, S /, being =hatS/ff==ifffX S/==tical sector S ab = ^vr\Again, if we suppose the ^,-earth to pass over anotherportion of its orbit a V inthe same small period oftime, and calling r and vthe radius vector and an-gular velocity, we shallalso have the…
Astronomy
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