Mathematics – Logic
Scientific paper
May 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986stin...8627151g&link_type=abstract
In NASA. Lyndon B. Johnson Space Center Sapce Station Planetology Experiments (SSPEX) 2 p (SEE N86-27136 17-88)
Mathematics
Logic
Deposition, Experiment Design, Geology, Gravitational Effects, Planetary Evolution, Reduced Gravity, Space Stations, Spaceborne Experiments, Cratering, Ejecta, Energy Dissipation, Geochemistry, Photography, Shock Waves, Space Commercialization, Spatial Distribution, Spectrum Analysis
Scientific paper
Impact is an ubiquitous physical process in the solar system. It occurs on all solid bodies and operates over a spectrum of scales, influencing geologic processes ranging from accretion, the early evolution of planetary bodies, the petrogenetic and spatial relations of lunar samples, the surface characteristics and interpretation of spectral data of asteroidal bodies, to the nature of some meteorites. Understanding impact phenomena is therefore paramount in constraining and underpinning a large number of research efforts into fundamental planetary geology. Gravity is an important parameter in impact processes. The physical environment offered by the Space Station represents an unique opportunity to extend the experimental aspect of impact studies into the microgravity (less than 1 g) regime. Through the use of free floating targets, it may be possible to explore in detail phenomena associated with the collision of bodies. Such experiments can address questions regarding early and late accretional processes, catastrophic disruption and asteroidal evolution, as well as the effects of large impacts on the momentum and spin of the target bodies. The last question is of considerable topical interest with respect to the hypothesized origin of the moon by a Mars-sized impact on Earth.
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