A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 157
recedesto its greatest distance, it is about -4-^o part. c. The oblateness of the planet ha,p been generally considered verysmall; but one astronomer (Dawes), in 1848, gave it at -fa, which would Fig. 94. be nearly ten times as great as that of the earth. d. Volume, Mass, and Density.—Thevolume of… … Questions.—209. What is the apparent diameter when greatest? When least? a.Why so variable? 210. What is the real diameter? a. How found? b. How does itcompare with that of the moon? e. Is Meroury oblate ? d. What is its volume?Mass? Density? MEECURY. 153 and since this is 5.67 of water, 5.67 X…
Astronomy
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