Astronomy

What is Astronomy?

Astronomy is the study of the Universe and everything in it, including planets, stars, galaxies, comets, and black holes. It's full of huge distances, gigantic sizes, and long periods of time. It's a BIG subject!

Astronomy

Astronomy Stuff:

ALL
Games
Reading
Hands-on
Videos
Game

Do you have what it takes to drive a robot on Mars?
Reading + Game

Find out what we know about Mars in this online tour of Earth's closest neighbor.
Hands-on

How many constellations and planets can you find in the night sky? Record your sightings in a "stellar" journal.
Game

Do you have what it takes to go on a space mission to Mars?
Reading

Discover where starry-eyed Neil has followed his curiosity.
Hands-on

To see what the Big Dipper would look like from outer space, build a mobile!
Game

Match these awesome images from the Hubble Space Telescope with their descriptions.
Hands-on

Celebrate your cosmic smarts with a solar system of cookies.
Hands-on

Decorate your desktop with these starry images!
Game

Take an expedition across the Martian landscape with this video, then test your knowledge!
Game

Go on a virtual journey from Earth, to the International Space Station, to the Moon and beyond. Then test your knowledge!
Reading + Game

Find out how the Big Bang Theory came to be.
Game

A “billion” is a very large number. Exactly how much is a billion? And how do you write big numbers like a billion?
Reading

Meet six rocks that travelled to the Museum from places like Mexico, Scotland, and even outer space.
Reading

What faraway places might humans travel to someday, and how will we get there?
Reading

In the Milky Way Galaxy alone, there are hundreds of billions of stars. But that hasn't always been the case...
Hands-on

Send a note to a friend with these astronomical letterheads.
Reading

Find out why a ball thrown in the air will return to the ground. 
Hands-on

See the moon in action! And discover why our view of it changes nightly.
Reading

Find out what makes the Sun glow, and other amazing facts, in an up-close interview with the Sun.
Hands-on

Size up the planets with a model scavenger hunt.
Reading

How do you describe your place in the 4th dimension?
Hands-on

Mix up some Jell-O, and find out how space bends around anything with mass. 
Hands-on

Let your imagination run wild, and write an inspiring work of science fiction. ¡TAMBIÉN EN ESPAÑOL!
Reading

Tour this spinning pinwheel in space that we call home.
Game

How much do you really know about our place in space? Take this quiz to find out!
Game

Test your starry knowledge in this stellar quiz!
Game

Test your knowledge about the things we can't see.
Reading + Video

Astronomy is a BIG subject. We've brought learning about it down to size with these big ideas.