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set 14 voc
science set 14
Question | Answer |
---|---|
Light Year | The distance light travels in one year. |
Relative Distance | Distance relative to a reference point. |
Planet | A celestial body revolving around a sun. |
Technology | Anything man-made that makes work easier. |
Hubble Telescope | An astronomical reflecting telescope placed in orbit above the earth's atmoshpere in April 1990. |
space probe | an unmanned space craft sent to explore outer space. |
Mars Exploration Rover | Robotic craft designed to explore Mars. |