Exploration of the Planets in the Solar System
Backgrounders
Learn about how spacecraft have helped us learn about our Solar System.
Meet Our Dwarf Planets
Backgrounders
Learn about the dwarf planets in our Solar System.
The Outer Solar System
Backgrounders
Learn about the amazing planets and moons of the outer Solar System.
Thomas Graham
Career Profiles
Research Scientist, Space Farming
Why a Trip to Outer Space Could Be Bad for Your Bones
STEM Explained
Astronauts can experience bone loss in space. To understand why, you need to know a bit about how bones are formed and maintained in your body.
Why is it colder in the winter even though the Earth is closer to the Sun?
Hands-on Activities
Learn why we have seasons in this hands on activity.
What is your weight on another planet?
Hands-on Activities
Do you weigh the same on Jupiter as you do on Earth? Learn to calculate your weight on a different planet.
What would happen if a meteor hit Earth?
Hands-on Activities
Explore the effects of asteroid impacts in this hands on activity.
Temperature: On Earth and on the Space Station
Backgrounders
This backgrounder explains what temperature is, how it is measured, how it affects people, and how it is controlled on the International Space Station.
The Inner Solar System
STEM Explained
Earth is covered in rocks. So are Mercury, Venus, Mars and the Moon. Does that mean the rocky planets are all the same?
Humidity on Earth and on the Space Station
Backgrounders
Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.
How can I tell which way is north at night?
Hands-on Activities
Do you like to look at the stars? What can you identify in the night sky? Try finding some important constellations tonight!
From Sky to Space
STEM Explained
Canadian astronauts Jeremy Hansen and David Saint-Jacques explain how learning to fly an aircraft prepared them for the challenges of living in space.
Robert Thirsk
Career Profiles
Former CSA Astronaut