OBJECTIVE FORESTRY

Detailed explanation-1: -Aboard a Delta 900 rocket, NASA’s Earth Resources Technology Satellite (ERTS) launched July 23, 1972, from Vandenburg Air Force Base in California. Later renamed, Landsat 1 became the first earth-observing satellite explicitly designed to study planet Earth.

Detailed explanation-2: -Landsat 1 was launched on July 23, 1972; at that time the satellite was known as the Earth Resources Technology Satellite (ERTS).

Detailed explanation-3: -Landsat shows us Earth from space. Since the first Landsat satellite launched in 1972, the mission has collected data on the forests, farms, urban areas and freshwater of our home planet, generating the longest continuous record of its kind.