What term describes the sun, the planets that orbit the sun, and other objects that orbit the sun?

• A. Solar system
• B. Sun
• C. Terminator
• D. Antibiotics

Answer: (A)

The term describes the Sun and all objects that orbit it as a single, gravitationally bound system: the solar system. The Sun sits at the center, and its gravity keeps planets, asteroids, comets, and other bodies in orbit around it, along with any moons that orbit those planets. So the collection of the Sun plus everything that orbits it is the solar system.

The Sun alone would not capture the other orbiting bodies; a terminator is the boundary line between day and night on a planet, and antibiotics are medicines, not related to astronomy.