Dust measurements during Galileo's approach to Jupiter and Io encounter

被引：24

作者：

Grun, E

Hamilton, DP

Riemann, R

Dermott, S

Fechtig, H

Gustafson, BA

Hanner, MS

Heck, A

Horanyi, M

Kissel, J

Kruger, H

Lindblad, BA

Linkert, D

Linkert, G

Mann, I

McDonnell, JAM

Morfill, GE

Polanskey, C

Schwehm, G

Srama, R

Zook, HA

机构：

[1] UNIV MARYLAND,COLLEGE PK,MD 20742

[2] UNIV FLORIDA,GAINESVILLE,FL 32611

[3] CALTECH,JET PROP LAB,PASADENA,CA 91109

[4] UNIV COLORADO,ATMOSPHER & SPACE PHYS LAB,BOULDER,CO 80309

[5] LUND OBSERV,S-22100 LUND,SWEDEN

[6] UNIV KENT,CANTERBURY CT2 7NR,KENT,ENGLAND

[7] MAX PLANCK INST EXTRATERR PHYS,D-85740 GARCHING,GERMANY

[8] EUROPEAN SPACE AGCY,EUROPEAN SPACE RES & TECHNOL CTR,NL-2200 AG NOORDWIJK,NETHERLANDS

[9] NASA,LYNDON B JOHNSON SPACE CTR,HOUSTON,TX 77058

来源：

SCIENCE | 1996年 / 274卷 / 5286期

关键词：

D O I：

10.1126/science.274.5286.399

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

About a hundred dust impacts per day were detected during the first week in December 1995 by Galileo during its approach to Jupiter, These impacts were caused by submicrometer-sized particles that were just above the detection limit. After the closest approach to Io on 7 December, impacts of these small particles ceased, This effect is expected for dust grains emitted from Io that exit the field of view of the instrument after the flyby. The impact rate of bigger micrometer-sized dust grains continued to increase toward Jupiter. These dust particles are in orbit about Jupiter or are interplanetary grains that are gravitationally concentrated near Jupiter.

引用

页码：399 / 401

页数：3

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