Impact melt volume estimates in small-to-medium sized craters on the Moon from the Lunar Orbiter Laser Altimeter (LOLA) and Lunar Reconnaissance Orbiter Camera (LROC)

Details Impact melt volume estimates in small-to-medium sized craters on the Moon from the Lunar Orbiter Laser Altimeter (LOLA) and Lunar Reconnaissance Orbiter Camera (LROC) Impact melt volume estimates in small-to-medium sized craters on the Moon from the Lunar Orbiter Laser Altimeter (LOLA) and Lunar Reconnaissance Orbiter Camera (LROC)

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufm.p53c1540b&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #P53C-1540

Mathematics

Logic

[5420] Planetary Sciences: Solid Surface Planets / Impact Phenomena, Cratering, [6250] Planetary Sciences: Solar System Objects / Moon

Scientific paper

Direct measurements of the volume of melt generated during cratering have only been possible using data acquired at terrestrial craters. These measurements are usually the result of areal mapping efforts, drill core investigations, and assessments of the amount of erosion a crater and its melt sheet might have undergone. Good data for melt volume are needed to further test and validate both analytical and numerical models of melt generation on terrestrial planets, whose results can vary by as much as a factor of 10 for identical impact conditions. Such models are used to provide estimates of the depth of origin of surface features (e.g., central peaks and rings) seen within craters and could influence the interpretations of their diameter-to-depth relationships. For example, high velocity impacts (>30km/s) on Mercury are expected to produce significant melt volumes, which could influence crater aspect ratio. The Lunar Reconnaissance Orbiter has now returned a wealth of new data, including those from small-to-medium sized fresh craters on the Moon (1km

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