Question

1. the sun is at the center of our solar system. 2) all objects in the asteroid belt are the same size. 3) gravity only affects planets, not smaller objects like moons. 4) stars remain the same size throughout their entire life cycle.

Explanation:

1. The Sun is indeed at the center of our solar system, so this statement is true.
2. Objects in the asteroid - belt vary greatly in size, from tiny rocks to large bodies, so this statement is false.
3. Gravity affects all objects with mass, including planets, moons, and smaller objects, so this statement is false.
4. Stars change size throughout their life - cycle, starting as protostars, evolving into main - sequence stars, and then into red giants or other end - stage forms, so this statement is false.

Answer:

1. True
2. False
3. False
4. False