Infrared spectroscopy of micro-organisms near 3.4 μm in relation to geology and astronomy

被引：0

作者：

Hoyle, F ^{[1
]}

Wickramasinghe, NC ^{[1
]}

Al-Mufti, S ^{[1
]}

Olavesen, AH ^{[1
]}

机构：

[1] Univ Coll Cardiff, Dept Appl Math & Astron & Biochem, Cardiff, S Glam, Wales

来源：

ASTROPHYSICS AND SPACE SCIENCE | 1999年 / 268卷 / 1-3期

关键词：

Solar System; Galactic Centre; Interstellar Dust; Lower Metamorphic Grade; Space Traveller;

D O I：

10.1023/A:1002465206894

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Microorganisms sealed in KBr discs have an absorption spectrum over the 2.5-15 mu m waveband that shows thermal stability as they are heated in an inert atmosphere to temperatures of about 400 degrees C. Microfossils tightly sealed within cavities in rocks could be endowed with similar properties of thermal stability. The observed absorption of interstellar material along the line of sight from the solar system to the galactic centre is remarkably similar to the spectrum of dry microorganisms over the 3.15-3.7 mu m waveband.

引用

页码：157 / 160

页数：4

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