Of Polar Bears and Thematic Mappers: The 40-Year Landsat Achievement

Landsat 7, the most recent arrival in a family which began as the Earth Resources Technology Satellite, has operated from near-polar orbit since April 1999. In February of next year, it and the aging Landsat 5 will be joined by the next-generation Landsat Data Continuity Mission (LDCM). Image Credit: NASA

Twelve miles off the […]