Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 269
le to 222 AN INTRODUCTION TO ASTRONOMY [ch. vii, 141 identify the eclipses and thus fix the dates for historians inthe present system of counting time. The infrequency ofeclipses at any particular. place is evident from Fig. 83,which gives the paths of all the total eclipses of the sunfrom… … BORUAy It CO^ h.r.. Fig. 83. — Paths of total eclipses of the sun. (From Todds Total Eclipses.) near the path of totality, or in the penumbra -of the moonsshadow, which is entirely analogous to that of the earth,there are partial eclipses of the sun. The region covered bythe penumbra is many times…
Astronomy
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