Catherine Corrigan Catherine Corrigan Catherine Margaret Corrigan (born 1972), often known as Cari Corrigan, is an American scientist best known as a curator of the meteorite collection at the Smithsonian Institution. She is a scientist in the Department of Mineral Science at the National Museum of Natural History. Corrigan obtained a Bachelor of Science in 1995 and a Master of Science in 1998, both in Geology at Michigan State University. Her master's thesis was titled "The Composition of Impact Breccias from the Chicxulub Impact Crater, Yucatan Peninsula, Yucatan, Mexico". She later earned a Ph.D in Planetary Science at Case Western Reserve University
Kearons (crater) Kearons (crater) Kearons is a small lunar impact crater that is located on the far side of the Moon, to the northwest of the Mare Orientale impact basin, in the outer skirt of ejecta that surrounds the Montes Cordillera range. It is a relatively isolated crater, possibly because any nearby features have been buried under the ejecta. Some distance to the south is the crater Lewis, and to the north-northeast lies Grachev. The rim of this crater forms a rounded polygon, with a sharp edge that has a small craterlet across the northwestern side. The inner wall and interior floor