The geography of the heavens, and class-book of astronomy: accompanied by a celestial atlas (1873)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, ed, Whitall, Henry, 1819-1887? Celestial planisphere · New York, Sheldon & company · leaf 185
ect? 841. State the time of Mercurys revolution upon his axis? How doesthis compare with the Earth? His period of revolution around the Sun ? 842. Whateuid of discoveries upon Mercury, his phases, <fec. ? What proof that he Is opaquef 178 ASTRONOMY, heat as the Earth. The truth of this estimate,… … In this diagram the light is seen passing in right lines, from the sun on the left towardthe several planets on the right. It is also shown that the surfaces A, B, and C receiveequal quantities of light, though B is four times, and C nine times as large as A; and adthe light falling upon A is…
Constellations · Stars
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