• 20 Videos, Slides, Films

• 20 Exploration
• 2 Weightlessness
• 1 Artificial satellites
• 1 Astronauts
• 1 Global Positioning System
• 1 Hibernation
• 1 Meteorites
• 1 Natural disaster warning systems
• 1 Photographs from space
• 1 Reduced gravity environments
• 1 Rockets (Aeronautics)
• 1 Space flight
• 1 Space stations
• 1 Space vehicles
• 1 SpaceShipOne (Spacecraft)
• 1 Supernovae
• 1 Training of
• 1 Transit

• 20 Atlas, Laurie
• 20 Switch International
• 1 Farrow, Nick

• 20 English

• 20 Outer space
• 4 Mars (Planet)
• 1 Earth (Planet)
• 1 Moon
• 1 Venus (Planet)

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