"Remote sensors are the instruments which detect various objects on the earthÃ¢â‚¬â„¢s surface
by measuring electromagnetic energy reflected or emitted from them. The sensors are mounted
on the platforms discussed above. Different sensors record different wavelengths bands of
electromagnetic energy coming from the earthÃ¢â‚¬â„¢s surface. As for example, an ordinary camera is
the most familiar type of remote sensor which uses visible portion of electromagnetic radiation."
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