A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 111
otion isabout 32,300 miles. Thismotion may be detectedby watching her for a fewhours only ; and by mark-ing her position, with ref-ence to the stars, fromnight to night, her dailyjourneys will appear pro-minent and striking. The estimate of 13° 10 35 is madefor a sidereal day of twenty-four hours.… … 223. Daily angular motion eastward?this estimate made ?) How detected ? (For what day ia THE MOON. 10} often
Astronomy
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