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Make a Pinhole Camera
Watch this summer's solar eclipse and transit of Venus with your very own pinhole camera. Learn how to make one and share more ideas on Facebook and Twitter.
Play games, wacth animations, and do projects that teach you about Earth, space and technology.
Get our planet's health report, find out about the greenhouse effect and learn how you can help our planet.
Be a Martian
Become a citizen scientist and improve Martian maps, take part in research tasks and assist Mars science teams studying data about the Red Planet.
Exo needs your help! He came from another world to explore our solar system but his spaceship is running out of fuel. Help find the resources to power him back home.
Design an Ion Engine
Ion engines can help spacecraft travel great distances with relatively little power. Find out how they work and build your own engine.