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.
Escape Velocity
STEM Explained
Why do a baseball and a rocket need the same launch speed to get from Earth into space? It has to do with physics and gravitational force.
Robert Thirsk
Career Profiles
Former CSA Astronaut