Optical spectroscopy of interplanetary dust collected in the earth's stratosphere

Details Optical spectroscopy of interplanetary dust collected in the earth's stratosphere Optical spectroscopy of interplanetary dust collected in the earth's stratosphere

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.286..866f&link_type=abstract

Nature, vol. 286, Aug. 28, 1980, p. 866-868.

Computer Science

3

Absorption Spectra, Interplanetary Dust, Spectroscopic Analysis, Stratosphere, Comets, Extraterrestrial Resources, Infrared Spectra, Meteorites, Space Commercialization, Earth, Stratosphere, Cosmic Dust, Optical Properties, Spectroscopy, Samples, Particles, Elements, Isotopes, Abundance, Rare Gases, Data, Analysis, Absorption Spectra, Procedure, Infrared, Wavelengths, Meteorites, Orgueil Meteorite, Murchison Meteorite, Allende Meteorite, Johnstown Meteorite, Carbonaceous Chondrites, Comparisons

Scientific paper

Optical absorption spectra of interplanetary dust particles 2-30 microns in size collected in the atmosphere at an altitude of 20 km by inertial impactors mounted on NASA U-2 aircraft are reported. Fourier transform absorption spectroscopy of crushed samples of the particles reveals a broad feature in the region 1300-800 kaysers which has also been found in meteorite and cometary dust spectra, and a weak iron crystal field absorption band at approximately 9800 kaysers, as is observed in meteorites. Work is currently in progress to separate the various components of the interplanetary dust particles in order to evaluate separately their contributions to the absorption.

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