Telescopes

Resources

compass pointing north

How can I tell which way is north at night?

Do you like to look at the stars? What can you identify in the night sky? Try finding some important constellations tonight!
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How can I tell which way is north at night?

Adult and children looking through telescope

The Optics of Telescopes

Learn about telescopes, how they work & why they're important to astronomers.
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The Optics of Telescopes

Hubble Space Telescope as seen during a servicing mission in 2009

Airborne & Space Telescopes

Hubble Space Telescope as seen during a servicing mission in 2009 (NASA)
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Airborne & Space Telescopes

Boy looking through telescope at night

Optical Telescopes

Learn about the history of telescopes and the function of refracting and reflecting optical telescopes.
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Optical Telescopes

Radio Telescope array at night

Radio Astronomy

Learn about radio astronomy, a type of astronomy that studies objects in space using radio waves and radio telescopes.
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Radio Astronomy

The Parkes Observatory in New South Wales, Australia

The Search for Extraterrestrial Intelligence - and How You Can Help!

When astronomers search for extraterrestrial life, they often have to listen for radio waves coming from deep space. If you’re interested, you can help!
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The Search for Extraterrestrial Intelligence - and How You Can Help!

Why is everything so small down there?

Why is everything so small down there?

Explore how we see things far and near and from different angles. It's all about perspective!
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Why is everything so small down there?