Impact flash spectroscopy as a means to characterize asteroid surface compositions

Details Impact flash spectroscopy as a means to characterize asteroid surface compositions Impact flash spectroscopy as a means to characterize asteroid surface compositions

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28....3a&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. ..3.

Computer Science

1

Asteroids, Planetary Surfaces, Planetary Composition, Hypervelocity Impact, Emission Spectra, Metallicity, Low Cost, Line Spectra, Calcium, Magnesium, Iron

Scientific paper

Hypervelocity impacts generate significant self-luminous vapor containing a wealth of spectral information. Impact flash spectroscopy may allow exploiting this phenomenon to determine the composition of planetary surfaces remotely in future low-cost missions. As a test of this concept, hypervelocity impacts into three compositionally distinct meteorite types were performed using the NASA Ames Vertical Gun Range. Ratios of key emission lines (Ca, Mg, K, Na, and Fe) enabled distinguishing between three distinct meteorite classes. Consequently, this technique holds promise for uniquely characterizing the compositions of asteroids/comets.

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