Olmsted, Denison, 1791-1859. [from old catalog] · New York, R. B. Collins · leaf 175
iations in the moons distance have a strikingeffect. The tides which happen when the moon is inperigee, are considerably greater than when she is inapogee ; and if she happens to be in perigee at the timeof the syzigies, the Spring tide is unusually high.When this happens at the equinoxes, the… … equator, as in figure 37,* the two tides will be exactlyequal on opposite sides of the meridian in the sameparallel. Thus a place in the parallel TT will have 199. How do the variations in the moons distance from theearth affect the tides ? How are the tides when the moon is inperigee ? How when…
Astronomy
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