List, C, Hall, T. G. (Thomas Grainger), 1803-1881 · Philadelphia : Thomas Cowperthwait & Co. and Carey & Hart · leaf 89
y; thus neaptides are tides scanty of water. Others say, froman ebb, whence nebb, and so neap. QUESTIONS. What is the principal cause of the tides ? How are theyproduced ? How often does the tide rise and fall ? Whatis another active agent in producing tides ? What are the highest tides called ?… … The Solar Svstem. SECTION XLTHE SOLAR SYSTEM. The ancients believed that the earth is thecentre of the universe, and that the sun is a com-paratively small body, and, with the moon andstars, revolves round our globe. Pythagoras, in-deed, and a few others, imagined a system muchnearer the truth, but…
Astronomy
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