Astronomy is a BIG subject. We’ve brought learning about it down to size with these big ideas.
Astronomy is the study of everything in the universe beyond Earth’s atmosphere. That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars . It also includes objects we can only see with telescopes or other instruments, like faraway galaxies and tiny particles. And it even includes questions about things we can’t see at all, like dark matter and dark energy .
What are the big ideas about astronomy?
