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disc

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disc

In astronomy, flat, roughly circular region of a spiral or a lenticular (lens-shaped) galaxy containing stars, nebulae, and dust clouds orbiting about the nucleus. Discs contain predominantly young stars and regions of star formation. The disc of our own Galaxy is seen from Earth as the band of the Milky Way.



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? Mentioned in ? References in classic literature
 
Consequently, their arrival on the lunar disc could not take place until the 5th of December at twelve at night, at the exact moment when the moon should be full, and not on the
Thus they remarked that, during full moon, the disc appeared scored in certain parts with white lines; and, during the phases, with black.
"If this tiny disc can vibrate a bone," he thought, "then an iron disc might vibrate an iron rod, or at least, an iron wire.
 
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