The elements of theoretical and descriptive astronomy, for the use of colleges and academies (1872)
White, Charles J. (Charles Joyce), 1839-1917 · Philadelphia, Claxton, Remsen & Haffelfinger · leaf 196
e (Art. 286) go toshow that they are really what they seem to be, masses of incan-descent vapor; and this discovery gives a new interest to the ne-bular hypothesis. Mr. Lockyer, in his Elementary Lessons inAstronomy, says that it may take long years to prove or dis-prove this hypothesis; but it is… … COMETS, 1. BIELAS COMET 2, ENCKES COMET. 34 GREAT COMET OF 1861,DONATES COMET, 1858. COMETS. 1^7 CHAPTER XIII. COMETS AND METEORIC BODIES.COMETS. 233. General Description of ComeU.—A comet is a body ofnebulous appearance and irregular shape, revolving in an orbitabout the sun. Comets have usually…
Astronomy
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