Sentences with phrase «recent emplacement»
This image from NASA's Dawn spacecraft highlights Axomama Crater, the small crater shown to the right of center; its sharp edges indicate recent emplacement by a small impact.
https://www.jpl.nasa.gov/
The latitudinal distribution of Charon's polar reddening suggests a thermally controlled production process, and the existence of highly localized patches rich in NH3 ice on its surface implies relatively recent emplacement.