ERTS meaning in Space Science ?

Answer: What is Earth Resources Technology Satellite mean?

Landsat 1 (LS-1), formerly named ERTS-A and ERTS-1, was the first satellite of the United States' Landsat program. It was a modified version of the Nimbus 4 meteorological satellite and was launched on July 23, 1972, by a Delta 900 rocket from Vandenberg Air Force Base in California.

It was the first satellite to carry a Multispectral Scanner.

The near-polar orbiting spacecraft served as a stabilized, Earth-oriented platform for obtaining information on agricultural and forestry resources, geology and mineral resources, hydrology and water resources, geography, cartography, environmental pollution, oceanography and marine resources, and meteorological phenomena.

reference

Full Form	Category
Electronic Reporting Tracking System	Academic & Science
Electronic Arts, Inc.	Business
Electronic Reciprocal Transfer System	Community
Error Rate Test Sets	Computing
Enhanced Remote Transit Shed	Governmental
Excise, Registration, Taxation and Stamps	Meghalaya Government
Earth Resources Technology Satellite	Space Science