Space.com: Capella Space unveils super-sharp radar images of Earth (photos). https://www.space.com/capella-space-radar-imagery-earth Jim Bell's comment:. Synthetic Aperture Radar.
Space.com: Capella Space unveils super-sharp radar images of Earth (photos). https://www.space.com/capella-space-radar-imagery-earth Jim Bell's comment:. Synthetic Aperture Radar.