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IV. Section 3 Using Space Science on Earth. A. The Challenges of Space. Vacuum-empty of all matter Space craft must be well insulated Microgravity- weightlessness Inertia keeps them in motion. B. Space Spinoffs. An item used on Earth that was originally developed for space
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A. The Challenges of Space • Vacuum-empty of all matter • Space craft must be well insulated • Microgravity- weightlessness • Inertia keeps them in motion
B. Space Spinoffs • An item used on Earth that was originally developed for space • Many consumer products • Cordless power tools • Shock absorbing materials • Metals
C. Satellites • Used for communications and weather data • Remote sensing- collect data without direct contact • Geostationary orbit- a satellite that orbits Earth at the same rate Earth rotates so it stays at the same place above Earth