The geography of the heavens and classbook of astronomy; (1863)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, Whitall, Henry, 1819-1887? Celestial planisphere. [from old catalog] · New York, Mason brothers; Boston, Mason & Hamlin; [etc., etc.] · leaf 175
328. His magnitude ? Diameter ? Compared with the Earth ? What illustration given?What reference to the Map ? 329. Distance of the Sun? WThat illustration given?830. How does the Sun appear through a telescope ? Describe these spots ? THE SUN HIS DISTANCE, MAGNITUDE, ETC. 17.3 … rarely visible to the naked eye, frequently pass over his disc,from east to west, in the period of nearly fourteen days. Th^e spots are usually surrounded by a spots on the sun. penumbra, or less deeply shaded border,and that, by a margin of light more bril-liant that thatof the Sun. A spot…
Constellations · Stars
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.