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Did you know that you would be a different age if you lived on Mars? It's true!

In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.

In this activity, learners observe the water cycle in action! Water vapor in a tumbler condenses on chilled aluminum foil — producing the liquid form of water familiar to us as rain and dew.

In this activity, learners will discover how our universe is continuously expanding.

In this activity, learners build a scale model of the solar system using a roll of toilet paper.

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

In this online interactive challenge, learners choose items to represent the Earth or solar system, then determine other items to represent the Moon, or Milky Way based on their relative size.