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Telescopes

The Jodrell Bank Lovell Telescope located in Cheshire, England

Telescopes and Astronomy

Visible light is only part of what astronomers study. They use different types of telescopes to study the entire electromagnetic spectrum.

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!

Hubble Space Telescope as seen during a servicing mission in 2009

Airborne & Space Telescopes

Learn about telescopes that do their work high in Earth’s atmosphere and in space.

Boy looking through telescope at night

Optical Telescopes

Learn about the history of telescopes and the function of refracting and reflecting 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.

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!

Adult and children looking through telescope

The Optics of Telescopes

Learn about telescopes, how they work & why they're important to astronomers.

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!