Hyperion was the experimental instrument imagined by NASA.
How much would that be worth? Spy satellite imagery like CORONA has been declassified over the years and is completely available to the public. As early as today, it uploads it to the USGS Earth Explorer.
LANDSAT: Silently, Landsat has been circling our planet archiving historical satellite imagery.No matter where you live, the USGS Earth Explorer offers the latest satellite view like: Unlock the power of the USGS Earth Explorer because it’s not just for the United States.