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Important Terminology

Important Terminology
Space The vast and limitless region that exists beyong the earth’s atmosphere.
Space Exploration The collection of information about the various objects present in outer space is called ‘space exploration’.
Satellite A satellite is a celestial object which revolves around a planet in circular path or elliptical path.
Orbit The closed path of a satellite around the earth is called its orbit. The orbit of a satellite may be circular or elliptical in shape.
Apogee It is the farthest point from the earth on the orbit of a satellite.
Perigee It is the nearest point from the earth on the orbit of a satellite.
Inclination The inclination of the orbit of a satellite is the angle made by the orbit of the satellite with the equator of the earth
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