LandSAT Satellite
First off is the Landsat Satellite. It weighs 6,133 pounds and its orbital height is 438 miles high. Its use is surveying the land and monitoring Earth's patterns.
The first Landsat satellite, Landsat-1, launched in 1972 and stayed up there until Jan 1978.
More satellites named Landsat-2, Landsat-3, and so on, were released into orbit and collected a lot of data.
Landsat 8 5 Year Anniversary Video Link
The first Landsat satellite, Landsat-1, launched in 1972 and stayed up there until Jan 1978.
More satellites named Landsat-2, Landsat-3, and so on, were released into orbit and collected a lot of data.
Landsat 8 5 Year Anniversary Video Link