Which statement is NOT true regarding our Solar System?

Which statement about relative astronomical size is correct?

The inner terrestrial planets all have similar compositions with rocky surfaces and high densities. They are very different from the outer planets, called the gas giants. The gas giants all have similar compositions and they are much larger with low densities. Despite these differences, what is one characteristic that the inner and outer planets share?

Jill is creating a scale model of the Solar System. She uses a basketball to represent the Sun. Which of the following should she use to most accurately represent the size of the Earth?

Which of the following is the correct order of objects from largest to smallest?

Which of the following is the smallest?

A group of two of more stars is called a

Which of the following can be found at the center of a quasar?

What are stars primarily composed of?

What contains a star and the planets and other objects that revolve around the star?