![Child using box eclipse viewer](/sites/default/files/2024-02/Eclipse_viewer_header.jpg)
Three Ways to Make a Solar Eclipse Viewer
Hands-on Activities
Safely view a solar eclipse by making and using a pinhole solar eclipse viewer.
![Daedulus crater on the Moon](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Daedalus_crater_Moon.jpg?itok=FyJgdJAV)
Impact Craters
Backgrounders
Learn about how craters are formed and about some of Canada's impact craters.
![Katie Mack headshot](/sites/default/files/styles/career_image/public/2023-01/Katie%20Mack.jpg?itok=OZ3DZ4TV)
Katie Mack (she/her)
Career Profiles
Hawking Chair in Cosmology and Science Communication
![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.
![Mars Perseverance rover](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/perseverance_rover.jpg?itok=XB-RXgBl)
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](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/pluto_and_sun.jpg?itok=Lrs0GRLo)
Meet Our Dwarf Planets
Backgrounders
Learn about the dwarf planets in our Solar System.
![Meteor seen through an opening in the trees](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/milky-way-meteor-forest.jpg?itok=suu9kYmi)
Meteoroids, Meteors and Meteorites
Backgrounders
Learn about where and when to find meteoroids, meteors and meteorites.
![Jupiter’s atmosphere taken from NASA's Juno spacecraft](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/above_jupiters_clouds.jpg?itok=uWE7qUix)
The Outer Solar System
Backgrounders
Learn about the amazing planets and moons of the outer Solar System.
![ChaoticMind75 - iStock](/sites/default/files/2019-08/why-is-it-colder-in-the-winter-even-though.jpg)
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](/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.
![What would happen if a meteor hit Earth?](/sites/default/files/2019-08/what-would-happen-if-a-meteor-hit-the-earth_0.jpg)
What would happen if a meteor hit Earth?
Hands-on Activities
Explore the effects of asteroid impacts in this hands on activity.
![The rocky planets](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Rocky_planets.jpg?itok=5IsUrgOh)
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?
![compass pointing north](/sites/default/files/2020-04/compass-pointing-to-north.jpg)
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!
![Asteroids](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/Asteroids.jpg?itok=n6XI2gZ2)
Where Can We Find Asteroids and Comets?
Backgrounders
This backgrounder explains the difference between planets, dwarf planets and small solar system bodies, such as asteroids and comets.