Part II: Review Test on the Origin of the Solar System

Front

What is the study of the origin and fate of the universe called?

Back

Cosmology

Front

Which of the following is NOT part of the universe’s basic composition? Water, Stars, Dust clouds

Back

Dust clouds

Front

What does the Big Bang theory suggest about the universe?

Back

It's expanding

Front

What happens to matter as the universe expands, according to the Big Bang theory?

Back

It dilutes

Front

Which theory states that new matter is continuously created?

Back

Steady-State

Front

Why might scientists still debate between cosmological theories?

Back

We can’t observe the universe’s full history directly

Front

What keeps the solar system gravitationally bound together?

Back

The Sun

Front

Which group contains the most massive planets?

Back

Gas giants

Front

What distinguishes the inner planets from the outer ones?

Back

They are denser

Front

Which of the following is not part of the solar system? Moons, Stars outside the solar system, Asteroids

Back

Stars outside the solar system