Tag Archives: Earth Resources Technology Satellite 1

Happy Birthday Earth Observation!

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This week, arguably, marks the birth of the modern Earth Observation (EO). On the 23rd July 1972, the first Landsat satellite was launched – although at the time it was called Earth Resources Technology Satellite 1 (ERTS-1) and was not … Continue reading →

Landsat Turns 45!

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Landsat has celebrated forty-five years of Earth observation this week. The first Landsat mission was Earth Resources Technology Satellite 1 (ERTS-1), which was launched into a sun-synchronous near polar orbit on the 23 July 1972. It wasn’t renamed Landsat-1 until … Continue reading →