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 229
o& Annular. Coming on. ^T^v l|^l~llJ^-~—a. = - ^l3fp ^pHHkpH HHr<iss3g^ jiii sTMA ■ i _ -rrg.-rs^^. ^ ■Jn.|TV ;-p-„ -g^^. =e= 451. It has already been shown that the apparent magni-tudes of bodies vary as their distances vary; and as both theEarth and Moon revolve in elliptical orbits, it… … At A, the Earth is at her aphelion, and the Sun being at his most distant point, willha?e his leant apparent magnitude. At the same time, the Moon is in perigee, andappears larger than usual. If, therefore, she pass centrally over the Suns disc, thoeclipse will be total. At B, this order is…
Constellations · Stars
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