here contains only named Martian craters starting with the letter O – Z (see also lists for A – G and H – N). Large Martian craters (greater than 60 kilometers...

Pettit may refer to: Pettit (lunar crater) Pettit (Martian crater), on Mars Pettit, Indiana Pettit, Kentucky Pettit, Oklahoma Pettit Creek, a creek in...

Pettit is a lunar impact crater that lies near the western limb of the Moon. It was named after American astronomer Edison Pettit. In this location the...

inaccurate. There are two dating systems now in use for Martian geological time. One is based on crater density and has three ages: Noachian, Hesperian, and...

Just to the southeast of the crater is the slightly larger crater Shaler. To the north of Wright is the crater Pettit. The outer rim of Wright is somewhat...

these craters. Taken together, these observations strongly suggest that water was present in these places. Some of the craters studied were Pettit, Sagan...

or 3. Pedestal crater in Amazonis with Dark Slope Streaks, as seen by HiRISE. Wall of Tooting Crater, as seen by HiRISE. Pettit Crater rim, as seen by...

Bruce Medal (1963) The asteroid 1831 Nicholson, the lunar crater Nicholson, the Martian crater Nicholson, and the feature Nicholson Regio on Ganymede were...

Better telescopes developed early in the 19th century allowed permanent Martian albedo features to be mapped in detail. The first crude map of Mars was...

layered material that reach above the crater’s rim. Gale Crater and Crommelin (Martian crater) are two craters that hold large mounds. Such tall mounds...

solution thereby cementing the surface. Wall of Tooting Crater, as seen by HiRISE Pettit Crater rim, as seen by HiRISE Nicholson mound with dark streaks...

for good view of Dark Slope Streaks. Island is just to the west of Pettit Crater. Scale bar is 500 meters long. Streamlined shape showing layers, as...

slope streaks. Island is just to the west of Pettit Crater. Scale bar is 500 meters long. Layers in old crater rim, in Marte Vallis as seen by HiRISE under...

southernmost lunar landing, until IM-1 landed further southwards in Malapert A crater on 22 February 2024. The lander was not built to withstand the cold temperatures...

the Martian moon Phobos as a resources base, potentially mining frozen water and carbon dioxide from the surface and eventually using hollowed craters for...

pose a health threat to space travelers. According to astronauts, like Don Pettit, space has a burned/metallic odor that clings to their suits and equipment...

the ninth planet of the Solar System. 1930 – Seth Nicholson and Edison Pettit measure the surface temperature of the Moon. 1932 – Karl Guthe Jansky recognizes...

(2018-07-01). "Three-dimensional radar imaging of structures and craters in the Martian polar caps". Icarus. Mars Polar Science VI. 308: 138–147. Bibcode:2018Icar...