A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 144
e around the opaque body. This is called an annular *eclipse. 191. An annulae eclipse is an eclipse of the sun, whichhappens when the moon is too far from the earth to concealthe whole of the suns disc, leaving a bright ring around thedark body of the moon. 192. The time at which an eclipse will… … AN ANNULAR ECLIPSE. a. Cycle of Eclipses.—Eclipses of both the sun and moon recurin nearly the same order, and at the same intervals, after the expirationof 18 years and 10 or 11 days (according as there may be 5 or 4 leap-years in this period). For a lunation is about 29.53 days, and the timeof a…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
