Optical Telescopes
Learn about the history of telescopes and the function of refracting and reflecting optical telescopes.
How could you build a refracting telescope using water as the lenses?
Build your own refracting telescope using glasses of water as the lenses.
Seeing the Universe with the James Webb Telescope
Learn about the James Webb telescope and Canada’s role in the mission.
Katie Mack (she/her)
Hawking Chair in Cosmology and Science Communication
I study of the fundamental physics of the universe.
Let's Talk Space Exploration Resources
Discover a set of resources to develop background knowledge on the topic of space exploration.
Julie Hlavacek-Larrondo (she/her)
Astrophysicist and Associate professor
I study black holes, which I think are the most fascinating objects in the Universe!
Telescopes and Astronomy
Visible light is only part of what astronomers study. They use different types of telescopes to study the entire electromagnetic spectrum.
Airborne & Space Telescopes
Learn about telescopes that do their work high in Earth’s atmosphere and in space.
Radio Astronomy
Learn about radio astronomy, a type of astronomy that studies objects in space using radio waves and radio telescopes.
The Optics of Telescopes
Learn about telescopes, how they work & why they're important to astronomers.
Why is everything so small down there?
Explore how we see things far and near and from different angles. It's all about perspective!
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!