Science 7th Astronomy 2
Terms
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- John Glenn, 1962, Friendship 7
- first American to orbit Earth
- communications, collecting weather data, scientific data
- Name 3 uses of satellites
- Alan Shepard, Freedom 7
- first American in space
- space probe
- a spacecraft that has various scientific instruments that can collect data, including visual images, but has no human crew
- velocity
- speed in a given direction
- rocket
- a device that expels gas in one direction to move in the opposite direction
- geosynchronous orbit
- an orbit in which a satellite orbits Earth at the same rate as Earth rotates and thus stays over the same place all the time
- when the Soviets launched the satelllite Sputnik I into orbit
- When did the space race begin?
- space spinoff
- an item that has uses on Earth but was originally developed for use in space
- power system to produce electricity, communications system to send and receive signals, scientific intruments to collect data and do experiments
- List 3 features that are common to all space probes
- Apollo Program
- American effort to land astronauts on the moon
- space shuttle
- a spacecraft that can carry a crew into space, return to Earth, and then be reused for the same purpose
- vacuum
- a place that is empty of all matter
- remote sensing
- the collection of information about Earth and other objects in space using satellites or probes
- space station
- a large artificial satellite on which people can live and work for long periods
- rover
- a small robotic space probe that can move about the surface of a planet or moon
- Soviet Yuri Gagarin
- first human in space
- orbital velocity
- the velocity a rocket must achieve to establish an orbit around a body in space
- Neil Armstrong
- first human to walk on the moon
- China
- Where did rocket technology originate?
- excape velocity
- the velocity an object must reach to fly beyond a planet's or moon's gravitational pull
- near vacuum, extreme temperature, microgravity
- Name 3 ways that conditions in space differ from Earth
- satellite
- an object that revolves around another object in space
- thrust
- the reaction force that propels a rocket forward
- microgravity
- the condition of experiencing weightlessness in orbit