Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002assl..278...79s&link_type=abstract
Solar System Remote Sensing, p. 79
Astronomy and Astrophysics
Astronomy
Infrared Spectroscopy, Astronomical Spectroscopy, Mercury Surface, Planetary Composition, Infrared Radiation, Infrared Astronomy
Scientific paper
During our 15 year quest to augment vis-near infrared spectroscopic (0.4 - 2.5 micron) discoveries with mid-infrared (2.5 - 13.5 micron) spectroscopic discoveries at Mercury, we have achieved much and learned even more. This talk (and paper) will describe some of those discoveries and lessons learned. Methods used to interpret mid-infrared spectra include 1) identification of key spectral features diagnostic of composition. This has been achieved in the laboratory using terrestrial and lunar rocks, minerals, powders, and glasses. 2) comparison of laboratory and telescopic mid-infrared spectra of lunar soils from similar locations on the Moon. 3) use of the same spectrograph to obtain spectra of rocks, minerals, and powders to compare to spectra of the Moon's and Mercury's surface and thus calibrate spectrograph performance and resulting spectral character. 4) comparison of spectra obtained from spacecraft above all of the Earth's atmosphere of objects in the solar system (Jupiter, Saturn, asteroids) to those obtained from midinfrared instruments from ground-based observatories.
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