- New General Catalogue: a catalog of clusters, nebulae, and galaxies compiled by Danish astronomer Johan Ludwig Dreyer (1852–1926) and published in 1888.
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Examples from the Web for ngc
While it shows signs of past activity, our galaxy is pretty quiet now, but active galaxies like NGC 5548 are another matter.
Case in point: the spiral galaxy NGC 5548, which astronomers have been monitoring off and on for decades.
The real heavyweights, though, are two giant elliptical galaxies known as NGC 4874 and NGC 4889.The Care and Feeding of Baby Giant Galaxies
Matthew R. Francis
May 25, 2014
- New General Catalogue of Nebulae and Clusters of Stars; a catalogue in which over 8000 nebulae, galaxies, and clusters are listed numerically
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012