Days after blasting off, the historic flight of Apollo 11 ended with a safe landing back on Earth. Take part in our egg-drop landing challenge where you try to land an egg safely into a pool of water be designing your own parachute and capsule.

Plus, at 1 p.m. in Explore More Stuff, take part in a virtual chat with a NASA staff member about the initiatives NASA has planned for the future, including the mission to Mars.

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