They're certainly much cheaper and easier to access. Purchasing a single image from DigitalGlobe costs something like a few thousand dollars. NASA images are all free. Plus, they're always looking for new ways to get the public engaged in the missions and looking at the data.
They're certainly much cheaper and easier to access. Purchasing a single image from DigitalGlobe costs something like a few thousand dollars. NASA images are all free. Plus, they're always looking for new ways to get the public engaged in the missions and looking at the data.