PROGRA(2) experiment: New results for dust clouds and regoliths analogs

被引：0
|
作者：
Hadamcik, E. [1 ]
Renard, J. -B. [2 ]
Levasseur-Regourd, A. C. [1 ,3 ]
Worms, J. -C. [4 ,5 ]
机构：
[1] CNRS, Serv Aeron, F-91371 Verrieres Le Buisson, France
[2] CNRS, LPCE, F-45071 Orleans 02, France
[3] Univ Paris 06, F-75252 Paris 05, France
[4] ESF, F-67080 Strasbourg, France
[5] LSIIT TRIO, F-67080 Strasbourg, France
来源：
ADVANCES IN SPACE RESEARCH | 2006年 / 38卷 / 09期
关键词：
light scattering; polarization; dust clouds; comets; laboratory experiments; regoliths;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
With the PROGRA(2) experience, linear polarization of scattered light is measured on various types of dust clouds lifted by microgravity, or by an air-draught. The aim is to compare the phase curves for dust analogs with those obtained in the Solar System (cometary comae, and solid particles in planetary atmospheres) by remote-sensing and in situ techniques. Measurements are also performed on layers of particles (on the ground) and compared with remote measurements on asteroidal regoliths and planetary surfaces. New phase curves have been obtained, e.g., for quartz samples, crystals, fluffy mixtures of silica and carbon blacks and a high porosity regolith analog made of micron-sized silica spheres. This work will contribute to the choice of the samples to be studied with the ICAPS experiment onboard the ISS and on the precursor experiment. (c) 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：2006 / 2012
页数：7
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