The lunar crater Petavius is a wonder unto itself. The 110-mile-wide (177 kilometers) impact scar lies near the Moon’s southeastern limb, just southeast of the tip of the tadpolelike tail of ...

Most melt stays inside the crater, freezing into melt-ponds ... a fantastic impact melt deposit on the southern rim slope of Petavius B, about 2.5 km away from the rim. The flat floored arc ...

The photograph is of the large crater Petavius, 153 kilometres in length. With M. Weinek's apparatus the photo graph was enlarged twenty times, giving a lunar image of nearly three metres in diameter.

The craters Langrenus and Petavius. Credit ... once compared the famous Lunar Orbiter oblique view of Copernicus crater to western front of the Wasatch. That’s my mountain range here in Utah.