Recreations in astronomy : with directions for practical experiments and telescopic work (1879)
Warren, Henry White, 1831-1912 · New York : Harper & Brothers · leaf 159
is generation. THE EARTH.It< Bign •. Distance from the sun, 92,500,000 miles. Diameter, polar,7399 miles; equatorial, 7925! miles. Axial revolution, 23h.56m. 4 09s.; orbital. 365.86. Orbital velocity per minute,1152.8 miles. ii- lift ourselves up a thonsand miles from the :i. We see it a- a ball… … Fig. 54 Earth and Moon in Space. see forms of continents outlined in bright relief, andoceanic forms in darker surfaces. AVe see that its axisof revolution is nearly perpendicular to the line of lightfrom the sun. One-half is always dark. The sunrisegreets a new thousand miles every hour; the…
Astronomy
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