Harris, John · Montreal, Lovell Printing and Publishing Co. · leaf 119
is-observations for several months. Let us, then, suppose that we have observed the timewhich has elapsed between two successive eclipses, and thatthis time is, for example, forty-three hours. We ought toexpect that the eclipse would recur after the lapse of everysuccessive period of forty-three… … Pig. 756. VELOCITY-OF-LIGHT THEORY. 25 ^ to come shall occur, and let us conceive that the earth is atA^ at the commencement of our observations; we shall then,as Eoemer did, observe the moment at which the eclipsesoccur, and compare them with the moments registered inthe table. Let the earth, at…
Astronomy
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