e interval between noon andnoon of the 20th and 21st of March. To examine this matter understandingly, draw a line, E Q,( Fig. 5 ), and make it equal to 54 35.4. From E, draw E S, at right angles to E Q, and make it computa-equal to 11 29.4. From Q, draw QJV, at right angles to tions t0 findE Q,… … Error ofthe clock. Suns rightascension. the sun amongthe stars, andthe point op(called thefirst point of E Aries ), and itis where thesun crosses g the equator. Now wewish to findP where the lineE Q is crossed by the line SIT; or, the object is, to findE op, expressed in time. To facilitate the…
Astronomy
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