The book of stars; being a simple explanation of the stars and their uses to boy life, written to conform to the tests of the Boy scouts (1915)
Collins, A. Frederick (Archie Frederick), 1869- · New York, D. Appleton and company · leaf 151
ass of water, asshown in Fig. 142 and it will look as ifthe spoon is broken in two at the pointwhere it touches the water. The bend-ing of the beam of light will be moreclearly understood from the drawing inFig. 143. If you will look at a star through athick piece of glass and the star seemsto… … Fig. 142.—Light Re-fracted. Spoon inGlass of Water. SEEING THE STARS through a prism. the prism affects the light in two ways: first,it bends the beam, and second, it separates the ether waves, orlight waves, as they are called, according to their lengths, andas color depends on the length of the…
Astronomy · Stars
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