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 240
Sea Green. Purple. Blue. -i C Coronse 0 Cvsrni When the colors of the components are complementary, and thecomponents are of very unequal size, it is possible that only oneof the colors may really exist; the other being, according to alaw of Optics, merely the result of contrast. Such an opinion… … NEBULiE. 1. ANNULAR NEBULA, 57 M LYR£. 2. PLANETARY NEBULA, 3614 H VIRGINIS. 3. NEBULOUS STAR, i ORIONIS. 4. SPIRAL NEBULA, 99 M VIRGINIS. 5. CRAB NEBULA IN TAURUS. NEBULiE. 229 which has the other color: which, however, is very far frombeing the case. Another objection is that a similar…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
