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Space Station Glossary R
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RADAR (Radio Detection and Ranging):
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A method of detecting, locating, or even
tracking an object by using beamed, reflected,
and timed radio waves. RADAR also refers to
the electronic apparatus that uses radio waves
to perceive, locate, and track objects.
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Radiation:
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The procedure by which electromagnetic energy
moves through space as vibrations in electric
and also magnetic fields. This term also refers
to radiant power and other forms of electromagnetic
radiation, such as gamma rays and X-rays.
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Radio Waves:
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Radiation with the highest wavelengths and
smallest frequencies and energies in the electromagnetic
spectrum.
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Radioactivity:
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The spontaneous decompose of certain rare,
unstable, atomic nuclei into additional stable
atomic nuclei. A usual by-product of this
process is the release of energy.
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Reflector:
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A type of telescope, also called as a reflecting
telescope that uses one or more polished,
curved mirrors to meet light and reflect it
to a focal point.
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