Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 140
THINGS IN THE SKY 119 great irregular clouds of gas, many are more or less spiral in form,others are condensed so they look like fuzzy stars. There are a few of these nebulae which can be seen with thenaked eye; one of these is the Great Nebula of Orion, and if youwill look at Orion some night and… … Fig. 134.—Dipfekent Forms op Nebula. these nebulae are good tests for eyesight. ~Fig. 134 shows someof the different forms of nebulae. The Making of the Stars. —To explain how our Sun andthe planets were made, as well as all the other stars in the uni-verse, two ideas have been worked out, and…
Astronomy · Stars
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