Spock remarks that the dark void is not a " galactic nebula such as the Coalsack ."
2.
This is true from the double helix of DNA through the knobbly whorls on a pine cone and up through the spiral arms of a galactic nebula.
3.
In 1926 he produced a new categorization of nebulae, with M87 being classified as a type of elliptical extra-galactic nebula with no apparent elongation ( class E0 ).
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