NASA Cassini spacecraft takes a close look at a row of craters on Saturn moon Tethys during the spacecraft April 14, 2012, flyby of the moon. Three large craters are visible along the terminator between day and night on Tethys.
NASA Cassini spacecraft takes a close look at a row of craters on Saturn moon Tethys during the spacecraft April 14, 2012, flyby of the moon. Three large craters are visible along the terminator between day and night on Tethys.