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130
THE POPULAR SCIENCE MONTHLY.
Telescopes failed, therefore, to settle the question whether the unresolved nebulae are portions of the primeval matter out of which the
Fig. 1.
The Great Nebula in Orion.
existing stars have been formed; they leave us in uncertainty as to whether these nebulae were masses of luminous gas, which in the lapse of ages would pass through the various stages of incandescent liquid
Fig. 2.
South.
North.
Central and Most Brilliant Portion of the Great Nebula in the Sword-handle of Orion, as observed by Sir John Herschel in his Twenty-foot Reflector at Feldhausen, Cape of Good Hope (1834 to 1837). |