Question

What object or class of objects makes up most of the solar system’s mass?

Answer 1

Solar system is the gravitationally bound system that consists of the sun and the objects that orbit around it directly or indirectly. These objects includes the planets which orbit the sun directly an other small objects such as meteoroids, asteroids, satellites of the planets and numerous comets. The sun makes up most of the solar system' mass.

Answer 2

The Sun makes up most of our solar system's mass. It accounts for about 98% of the mass of the whole solar system. Other objects such as planets, moons, asteroids and comets amount to only about 2% of the solar system's mass.