An Infrared Spectral Match Between GEMS and Interstellar Grains

P. Bradley, J.; P. Keller, L.; P. Snow, Theodore; S. Hanner, M.; J. Flynn, G.; C. Gezo, J.; J. Clemett, S.; E. Brownlee, D.; E. Bowey, J.

doi:10.1126/science.285.5434.1716

Public

An Infrared Spectral Match Between GEMS and Interstellar Grains

Published in Science • Sep 10, 1999

Authors:

J. P. Bradley

L. P. Keller

Theodore P. Snow

Abstract

Infrared spectral properties of silicate grains in interplanetary dust particles (IDPs) were compared with those of astronomical silicates. The approximately 10-micrometer silicon-oxygen stretch bands of IDPs containing enstatite (MgSiO3), forsterite (Mg2SiO4), and glass with embedded metal and sulf...

Subject

Enstatite

Forsterite

Silicate

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