Light

Why Is the Sky Blue?

Learn the answer and impress your friends!

Glossary for "Sign Here!" words

Defines words in "Sign Here" game.

What Is a Laser?

Learn more about this useful focused light source!

The Space Place Experiment Center

It's science time!

How Do Telescopes Work?

Telescopes use mirrors and lenses to help us see faraway objects. And mirrors tend to work better than lenses! Learn all about it here.

Printed Product Downloads

Printable posters, lithographs, postcards, and bookmarks.

Glossary

Find definitions of space and Earth science terms

Why Does the Sun Burn Us?

Sunburns are no fun.

Explore the Electromagnetic Spectrum

The windows show the Universe in all its colors.

Make Handprint Art Using Ultraviolet Light!

We can't see the sun's ultraviolet light with our eyes, but with this simple activity we can observe the effects of UV light.

All About the Sun

The light of daytime comes from our closest star: the Sun. Learn more about it!

Play Photon Pile-up!

Collect enough photons to reveal an ultraviolet universe!