remote sensing

noun

the science of gathering data on an object or area from a considerable distance, as with radar or infrared photography, to observe the earth or a heavenly body.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for remote sensing

Historical Examples of remote sensing

Remote-sensing instruments in Earth-orbit satellites measure radar, visible light, and infrared radiation.
Deserts
A. S. Walker

British Dictionary definitions for remote sensing

remote sensing

noun

the use of an instrument, such as a radar device or camera, to scan the earth or another planet from space in order to collect data about some aspect of it

Derived Formsremote-sensing, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012