Which sentence describes the way the universe is structured?
A. The universe has more planets than stars.
B. The universe is the opposite of a black hole.
C. The universe makes up many different solar systems.
D. The universe contains hundreds of billions of galaxies.
A. The universe has more planets than stars.
B. The universe is the opposite of a black hole.
C. The universe makes up many different solar systems.
D. The universe contains hundreds of billions of galaxies.