The constellations
A) are 88 in number and cover the entire sky.
B) that the ancients imagined are constantly being augmented by newly invented constellations as new stars are being discovered.
C) are of historical interest only and play no role at all in modern astronomy.
D) consist of groups of stars that are all about the same distance from us.

Question

Quizplus · Accepted Answer

Constellations are officially 88 in number and are defined regions that together cover the entire celestial sphere, not just arbitrary groupings of stars. This system is used by astronomers to organize the sky for observational purposes.

The Constellations