|The Hubble Space Telescope Advanced Camera for Surveys imaged
Aristarchus crater and nearby Schroter's Valley rille on Aug. 21, 2005.
The Hubble images reveal fine-scale details of the crater's interior
and exterior in ultraviolet and visible wavelengths at a scale of
approximately 165 to 330 feet (50 to 100 meters) per picture element.
Credit: NASA, ESA, and J. Garvin (NASA/GSFC)