The development of the earth remote sensing from satellite

Remote sensing activities from satellite are important aspect togain information about earth surface, thus has significance on military, economic and geology fields. After 1962, the term remote became popular typically refers to non-intrusive observation of Earth using electromagnetic waves a platform some distance away object study. implies measurement made by indirect or “remote” means rather than contact sensor. serves sensors. There two types sensors active passive This article reviews which used for satellite. analyses purpose attitude control