Why do we go into space? -- What do space rockets do? -- Why do astronauts feel heavy after takeoff? -- Why are rockets long and thin? -- How do spacecraft orbit Earth? -- What's it like in a space station? -- How do astronauts go on space walks? -- How do spacecraft go farther? -- How do spacecraft get to Mars? -- How do rovers drive on Mars? -- Will people go to Mars one day?
Summary
Investigates the forces in space exploration including liftoff to life in zero gravity. Learn about the challenges of living on other planets.