What unit do we use to measure the distance to other stars or galaxies?

How does the Sun make its energy?

What do we call a giant cloud of gas and dust where new stars are born?

The universe might end in a “Big Freeze,” where stars run out of fuel and everything becomes very cold.

A constellation is a huge group of stars held together by gravity.

Scientists use kilometers to measure distances to other stars because it is easy and accurate.

What happens to small stars like the Sun compared to very big stars at the end of their life?

How does learning about how stars make energy help us understand the universe?