Stars and telescopes; a hand-book of popular astronomy, founded on the 9th ed. of Lynn's Celestial motions (1899)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911. Celestial motions · Boston, Little, Brown and company · leaf 309
of dou-ble nebulae by aprocess of divisionresembling fissionamong the proto-zoans, and that theirorbits were origin-ally nearly circular.According to DSeethe average eccen-tricity is about 0.45,while in the plane-tary system the ave-rage eccentricity isonly 0.0389, or one twelfth of that found… … ORBIT OF ALPHA CENTAURI{Computed and projected by Dr See) The Cosmogony 251 These eminent mathematicians have substantiallyproved that it is possible for a rotating nebula tobreak up, under its own contraction, into an hour-glass figure exactly resembling the double nebulae ob-served in space. On…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-242-152.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-67-59.webp)
