A typical galaxy is a
A. collection of a few hundred million to a trillion or more stars, bound together by gravity.
B. large, glowing ball of gas powered by nuclear energy.
C. nearby object orbiting a planet.
D. relatively small, icy object orbiting a star.
Answer:A
A typical galaxy is a
A. collection of a few hundred million to a trillion or more stars, bound together by gravity. B. large, glowing ball of gas powered by nuclear energy. C. nearby object orbiting a planet. D. relatively small, icy object orbiting a star.