Learning About the Sun

How old is the Sun?

• 10 years old

• 1 billion years old

• 4.5 billion years old

When did astronauts go to the moon?

• 1960s and 1970s

• 2023

• They haven't gone yet

What did astronauts bring back from the moon?

• plants

• rocks

• aliens

What is a star called when it gets bigger and cooler at the same time?

• red giant

• planet

• comet

Who is studying the solar system to figure out how old it is?

• doctors

• teachers

• scientists