which phrase best defines a galaxy?\no tightly packed group of older stars\no large grouping of more than…
which phrase best defines a galaxy?\no tightly packed group of older stars\no large grouping of more than two stars\no loose, disorganized star cluster held together by gravity\no large collection of stars, gas, and dust held together by gravity
Answer
Brief Explanations:
A galaxy is a massive, gravitationally - bound system that consists of stars, gas, and dust. The first three options do not fully capture the composition and nature of a galaxy. The last option correctly describes it as a large collection of these components held together by gravity.
Answer:
large collection of stars, gas, and dust held together by gravity