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Your Age on Other Worlds
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Did you know that you would be a different age if you lived on Mars? It's true!
My Solar System
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In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.
Postcards from Space
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Using information from the My Place in Space lithograph, learners write and/or draw a postcard to friends and family as if they had gone beyond the interstellar boundary of our Solar System, into the