Your journey
Where will you go next?
Finish a stop to open the next one. Progress stays on this device. We do not ask for your name.
0 of 12 stops done.
01 · Earth
Welcome to Space
A rocket goes up because it pushes gas down. That push is called thrust.
Finish the four steps on the first mission, including the balloon rocket.
02 · Solar system
Planet Hunter
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03 · Moon
Moon Explorer
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04 · Orbit
Rocket Engineer
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05 · Station
Astronaut Training
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06 · Mars
Mission to Mars
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07 · Jupiter
Jupiter’s Moons
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08 · Night sky
Star Hunter
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09 · Moon
Build a Moon Base
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10 · Far planets
Alien Worlds
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11 · Milky Way
Galaxy Explorer
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12 · Deep space
Black Hole Investigator
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Moon phase lab
Move the Moon around Earth. The shape we see changes. The Moon itself does not grow.
Gravity lab
If you feel your usual weight on Earth, here is the idea on another world. This is a model, not a scale.
Moon: about 1/6