A series of artificial satellites that monitor the earth's resources by photographing the surface at different wavelengths. The resulting images provide information about agriculture, geology, ecological changes, etc.
Definition of Landsat in US English:
Landsat
proper nounˈlan(d)sat
A series of artificial satellites that monitor the earth's resources by photographing the surface at different wavelengths. The resulting images provide information about agriculture, geology, ecological changes, etc.