Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 250
t favorable to only sixteenor seventeen degrees. 221. Sidereal and Synodical Periods of Mercury. — Mer-cury accomplishesa complete revolu-tion around the sunin about eighty-eight days ; but ittakes it a hundred Fig- 252. and sixteen days to pass from its greatest elongation east to the same…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
