Astronomy, a handy manual for students and others (1918)
Dyson, Frank Watson, Sir, 1868-1939 · New York, E.P. Dutton & Co. · leaf 216
a high temperature. Dia-gram LXXX, from a photograph taken at Greenwichwith a 30-inch reflector and an exposure of 2 h. 15 m.,shows the general appearance of the nebula. The forms of nebulae have been much better under- STARS AND NEBUL/E 205 stood since photographs have been obtained. Someare… … Diag. LXXX.—Orion Nebula. easy reach of the light-grasping powers of the reflect-ing telescope of the Lick Observatory. Although the process is not fully understood, itseems probable that stars have been evolved fromnebulae. The relationship of the stars in the Orionnebula to the nebula itself and…
Astronomy
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