The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 227
small portions, it is plain there must be many new and full moonswithout any eclipses. Although there are more eclipses of the sun than of the moon, yet more eclipsesof the moon will be visible at a particular place, as Boston, in a course of years,than of the sun. Since the sun is very much larger… … 485. What are tides ? By what are they occasioned ? Explain fig. 143. Howoften would there be an eclipse, if the moon went round the earth in the sameplane in which the earth goes round the sun ? Why ? What is the inclination ofthe moons orbit to the ecliptic i What is the apparent diameter of the…
Physics
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