SURFACE ICES AND THE ATMOSPHERIC COMPOSITION OF PLUTO

被引：284

作者：

OWEN, TC

ROUSH, TL

CRUIKSHANK, DP

ELLIOT, JL

YOUNG, LA

DEBERGH, C

SCHMITT, B

GEBALLE, TR

BROWN, RH

BARTHOLOMEW, MJ

机构：

[1] SAN FRANCISCO STATE UNIV,DEPT GEOSCI,SAN FRANCISCO,CA 94132

[2] NASA,AMES RES CTR,MOFFETT FIELD,CA 94035

[3] MIT,DEPT EARTH ATMOSPHER & PLANETARY SCI,CAMBRIDGE,MA 02139

[4] OBSERV PARIS,F-92195 MEUDON,FRANCE

[5] LAB GLACIOL & GEOPHYS ENVIRONM,F-38402 ST MARTIN DHERES,FRANCE

[6] JET PROP LAB,PASADENA,CA 91109

[7] STERLING SOFTWARE INC,PALO ALTO,CA 94303

来源：

SCIENCE | 1993年 / 261卷 / 5122期

关键词：

D O I：

10.1126/science.261.5122.745

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：

Observations of the 1.4- to 2.4-micrometer spectrum of Pluto reveal absorptions of carbon monoxide and nitrogen ices and confirm the presence of solid methane. Frozen nitrogen is more abundant than the other two ices by a factor of about 50; gaseous nitrogen must therefore be the major atmospheric constituent. The absence of carbon dioxide absorptions is one of several differences between the spectra of Pluto and Triton in this region. Both worlds carry information about the composition of the solar nebula and the processes by which icy planetesimals formed.

引用

页码：745 / 748

页数：4

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