“On this day in 2008, the USGS announced their plan to ‘open’ the USGS EROS Landsat archives, making all Landsat data available to download at no charge, to all users worldwide. Fifteen years later, in the “Year of Open Science”, Landsat continues to lead how Earth Observation data is utilized, and how Landsat data is used to support science and research efforts. …

The graph below displays number of Landsat-related citations (orange line) and the cost per scene (blue line) from 1970 to 2022. As expected, citations increased greatly after the data became freely available starting in December 2008….”