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Space

TermDefinition
rocket It is a device that expels gas in one direction to move in the opposite direction.
thrust It is the reaction force that propels a rocket forward.
velocity It is the speed in a given direction.
orbital velocity It is the velocity a rocket must achieve to establish an orbit around earth.
escape velocity It is the velocity a rocket must reach to fly beyond a planet's gravitational pull.
space shuttle It is a spacecraft that can carry a crew into space, return to Earth, and then be reused for the same purpose.
space station It is a large, artificial satellite on which people can live and work for long periods.
space probe It is a spacecraft that carries scientific instruments that can collect data, but has no human crew.
rover It is a small robot that moves around the surface of a planet.
vacuum It is a place that is empty of all matter.
microgravity It is a feeling of weightlessness.
space spinoff It is an item that has uses on earth but was originally developed for use in space.
remote sensing It is the collection of information about Earth and other objects in space without being in direct contact.
geosynchronous orbit It is an orbit where a satellite orbits the Earth at the same rate as the Earth rotates and thus stays over the same place on Earth all the time.
Where was rocket technology first developed? China
What makes a rocket move forward? The gases shooting out of the back.
What is the advantage of a multi-stage rocket? The advantage is that it decreases weight as it moves forward requiring less energy to move the rocket.
When did the space race begin? 1957
What was the American effort to land astronauts on the moon called? The Apollo program.
What are satellites used for? They are used for communication and collecting weather data and other scientific data.
Created by: bshelley17
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