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Science 8 Chapter 14

Exploring Space

DefinitionTerm
An instrument that can magnify the size of distant objects. Telescope
The complete range of electromagnetic wave frequencies and wavelengths. Electromagnetic spectrum
An optical telescope that uses a double convex lens to bend light and form an image at the focal point. Refracting telescope
An optical telescope that uses a concave mirror to focus light and form an image at the focal point. Reflecting telescope
A building that can house an optical telescope; often has a dome-shaped roof that can be opened for viewing. Observatory
It collects and records radio waves traveling through space; can be used day or night under most weather conditions. Radio telescope
The force that propels an aircraft or missile Thrust
A special engine that can work in space and burns liquid or solid fuel. Rocket
Any natural or artificial object that revolves around another object. Satellite
A curved path followed by a satellite as it revolves around an object. Orbit
An instrument that travels far into the solar system and gathers data that it then sends back to Earth. Space probe
The first step in the U.S. program to reach the Moon that orbited a piloted spacecraft around Earth and brought it back safely. Project Mercury
The second stage in the U.S. program to reach the Moon in which an astronaut team connected with another spacecraft in orbit. Project Gemini
The final stage in the U.S. program to reach the Moon in which Neil Armstrong was the first human to step onto the Moon's surface. Project Apollo
Astronaut of the former Soviet Union or present-day Russian space program. Cosmonaut
A reusable spacecraft that can carry cargo, astronauts, and satellites to and from space. Space shuttle
A large facility with living quarters, work and exercise areas, and equipment and support systems for humans to live and work in space and conduct research. Space station
Created by: rwaters
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