Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 112
of 250 feetin the Suns diameter will account for its entire radiation in ayear, — a rate of shrinkage so slow that many centuries mustelapse before it will become detectable with our best instru-ments. Accepting this theory, Lord Kelvin estimates that theEarth cannot have been receiving the Suns… … von Helmholtz (1S21-1894) j8 Stars and Telescopes it can continue to radiate sufficient heat to maintain life of typesnow present on the Earth longer than 10,000,000 years in thefuture. Assuming that solar heat is radiated uniformly in alldirections, a simple computation shows that all the…
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
