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Earth and Space Systems: Space

Astronaut standing on Mars with Earth in the background

Earth vs. Mars

Backgrounders

Learn about the characteristics of the Earth and Mars, two planets in our Solar System.

Mars Perseverance rover

Exploration of the Planets in the Solar System

Backgrounders

Learn about how spacecraft have helped us learn about our Solar System.

Pluto lit by a distant Sun

Meet Our Dwarf Planets

Backgrounders

Learn about the dwarf planets in our Solar System.

Testing of the Boeing Starliner spacesuit

Testing Spacesuit Material

STEM Explained

Learn about a new material for spacesuits and the engineer who designed it.

Jupiter’s atmosphere taken from NASA's Juno spacecraft

The Outer Solar System

Backgrounders

Learn about the amazing planets and moons of the outer Solar System.

Space lander

How can we land a model space probe?

Hands-on Activities

Design and build a model space probe.

Jamie Sevigny au travail

Jamie Sevigny

Career Profiles

Management Engineer

Jamie Sevigny is a Management Engineer for the Canadian Space Agency.
Thomas Graham

Thomas Graham

Career Profiles

Research Scientist, Space Farming

Thomas Graham is a Professor at the University of Guelph.
Photo de Mike Dixon

Mike Dixon

Career Profiles

Professor and Director of CESRF

Mike Dixon is the Professor and Director of CESRF at the University of Guelph.
Doctor pointing to a knee x-ray

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.

ChaoticMind75 - iStock

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.

The planet Mars

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?

What would happen if a meteor hit Earth?

Hands-on Activities

Explore the effects of asteroid impacts in this hands on activity.

Hot sunrise in space

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 rocky planets

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?