Which are true?
Solar systems, stars, planets, moons, comets, asteroids, and meteoroids orbit galaxies.
Galaxies are the largest category of astronomical bodies in the universe.
Solar systems are composed of a variety of astronomical bodies orbiting a star.
The universe is the totality of mass and energy in space.
Solar systems include celestial objects including a star, planets, moons, asteroids, comets, and meteorites.