Question 1440Navigation General

You are correct, the answer is A) galaxy. A galaxy is a large group of stars, dust, and other celestial objects that are gravitationally bound and revolve around a common center. This is the correct answer because a galaxy is the term used to describe a massive, gravitationally bound system consisting of stars, stellar remnants, interstellar gas, dust, and dark matter. The other options are incorrect because: B) a constellation is a group of stars that appear to form a pattern in the night sky, C) a cluster is a group of stars that are gravitationally bound together, and D) a shower refers to a meteor shower, which is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky.