remote sensing

US /rɪˌmoʊt ˈsensɪŋ/
UK /rɪˌmoʊt ˈsensɪŋ/
"remote sensing" picture
1.

the scanning of the earth by satellite or high-flying aircraft in order to obtain information about it

:
Remote sensing is crucial for monitoring deforestation.
Advances in remote sensing technology have revolutionized cartography.