![Headshot of David Saint-Jacques](/sites/default/files/styles/resource_card_image_360x300_/public/2024-02/93729f5b-2992-410e-a1b1-86604acf6be1.jpg?itok=fcIdkRSY)
Let's Talk Space Rocks Resources
Backgrounders
Discover a set of resources to introduce you to the world of space rocks
![David Saint-Jacques](/sites/default/files/styles/resource_card_image_360x300_/public/2024-02/NEW%20Event%20card%20template%20%2828%29_0.png?itok=qJYEv7Xf)
Let’s Talk Space Rocks
Events
Student, Grades: 9-12
Join CSA astronaut David Saint-Jacques for the latest in our Visionary Symposium series, that looks at the link between geology on Earth and in space, and how these learnings contribute to future space exploration.
![Lunar lander floating above the moon, with the Earth in the background](/sites/default/files/styles/resource_card_image_360x300_/public/2022-08/Untitled%20design%20%2812%29.png?itok=tAd3Suzb)
Let's Talk Space Exploration Resources
Backgrounders
Discover a set of resources to develop background knowledge on the topic of space exploration.
![Yuri Gagarin Capsule and space suit](/sites/default/files/styles/resource_card_image_360x300_/public/2022-01/yuri_gargarin_suit_capsule.jpg?itok=84XTVtC4)
Human Spaceflight: The First 50 Years
Backgrounders
A history of the first 50 years of human space flight.
![Mosaic of the Valles Marineris hemisphere of Mars projected into point perspective](/sites/default/files/styles/resource_card_image_360x300_/public/2021-12/mars-globe-valles-marineris-enhanced.jpg?itok=xYSA2DNX)
Let's Talk Mars Resources
Backgrounders
Discover a set of resources to get you up to speed on the discussion surrounding Mars
![The face of the planet Mars (NASA)](/sites/default/files/styles/resource_card_image_360x300_/public/2021-12/PIA08636_orig.jpg?itok=Aa5pX4g6)
Destination Mars
Backgrounders
Discover how space agencies have explored the Red Planet in the past and present and learn about the future of human spaceflight to the red planet.
![Astronauts from the Apollo Mission landing on the moon.](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/moon_landing.jpg?itok=7GFV-Nbc)
Let's Talk Lunar Resources
Backgrounders
Discover some background information on how we'll learn to live and work on the Moon - and beyond!
![Doctor pointing to a knee x-ray](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/doctor_pointing_to_xray.jpg?itok=56sDaZM9)
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.
![The planet Mars](/sites/default/files/2019-10/Mars.png)
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.
![Canadian pilot](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Canadian_fighter_pilot.jpg?itok=kQa9KXBd)
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 | Former CSA Astronaut Robert Thirsk | Ancien astronaute de l’Agence spatiale canadienne](/sites/default/files/styles/career_image/public/4430_13.jpg?itok=2kqfoV2V)
Robert Thirsk
Career Profiles
Former CSA Astronaut