Lowell, Percival, 1855-1916 · New York, The Macmillan company · leaf 230
ne. Indeed, Ishall be to blame if you do not. For if one knows hissubject, he can always explain it, in untechnical lan-guage, technical terms being merely a sort of short-hand for the profession. The physical processes in-volved can be made clear without difficulty, although A PLANETS HISTORY 193… … Adventures of a heat ray. Sun. A part of it is reflected; that is, is instantlythrown off again. By this part the body shines andmakes its show in the world, but gets no good itself.Another part is absorbed; this alone goes to heatthe body. Now if the visible rays were all that ema-nated from the…
Cosmogony
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