Question: how many circumpolar constellations are there?
Answer: There are 9 constellations that are circumpolar in the Northern Hemisphere, Auriga, Camelopardalis, Cassiopeia, Cepheus, Draco, Lynx, Perseus, Ursa Major, and Ursa Minor. Auriga was one of the 48 constellations that were originally listed by the 2nd-century astronomer Ptolemy.