Browsing by Author "Keane, James Tuttle"

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The nature and origin of Charon's smooth plains

Beyer, Ross A.; Spencer, John R. (John Robert), 1957-; McKinnon, William B.; Nimmo, Francis; Beddingfield, Chloe; Grundy, W. M.; Ennico, K.; Keane, James Tuttle; Moore, J. (Jeff); Olkin, Cathy B.; Robbins, Stuart; Runyon, Kirby; Schenk, Paul M.; Singer, Kelsi N.; Stern, Alan, 1957-; Weaver, Harold A., 1953-; Young, Leslie A.; New Horizons Team; https://orcid.org/0000-0002-4803-5793 (Elsevier, 2019-05-01)

Charon displays extensive plains that cover the equatorial area and south to the terminator on the sub-Pluto hemisphere observed by New Horizons. We hypothesize that these plains are a result of Charon's global extension ...
A South Pole–Aitken impact origin of the lunar compositional asymmetry

Jones, Matt J.; Evans, Alexander J.; Johnson, Brandon C.; Weller, Matthew B.; Andrews-Hanna, Jeffrey C.; Tikoo, Sonia M.; Keane, James Tuttle (American Association for the Advancement of Science, 2022-04-08)

The formation of the largest and most ancient lunar impact basin, South Pole–Aitken (SPA), was a defining event in the Moon's evolution. Using numerical simulations, we show that widespread mantle heating from the SPA ...

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