Space station impact experiments

Details Space station impact experiments Space station impact experiments

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986sspe.nasaq....s&link_type=abstract

In its Space Station Planetology Experiments (SSPEX) 5 p (SEE N86-27136 17-88)

Astronomy and Astrophysics

Astrophysics

Craters, Evolution (Development), Impact Damage, Meteoroids, Planets, Solar System, Space Stations, Constraints, Coriolis Effect, Experiment Design, Gravitational Effects, Reduced Gravity, Regolith, Shock Waves

Scientific paper

Four processes serve to illustrate potential areas of study and their implications for general problems in planetary science. First, accretional processes reflect the success of collisional aggregation over collisional destruction during the early history of the solar system. Second, both catastrophic and less severe effects of impacts on planetary bodies survivng from the time of the early solar system may be expressed by asteroid/planetary spin rates, spin orientations, asteroid size distributions, and perhaps the origin of the Moon. Third, the surfaces of planetary bodies directly record the effects of impacts in the form of craters; these records have wide-ranging implications. Fourth, regoliths evolution of asteroidal surfaces is a consequence of cumulative impacts, but the absence of a significant gravity term may profoundly affect the retention of shocked fractions and agglutinate build-up, thereby biasing the correct interpretations of spectral reflectance data. An impact facility on the Space Station would provide the controlled conditions necessary to explore such processes either through direct simulation of conditions or indirect simulation of certain parameters.

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