ELEMENTARY SCHOOL PUNCTUATION QUIZ
Example sentences 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.