Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ap%26ss.268..157h&link_type=abstract
Astrophysics and Space Science, v. 268, Issue 1/3, p. 157-160 (1999).
Astronomy and Astrophysics
Astrophysics
Scientific paper
Microorganisms sealed in KBr discs have an absorption spectrum over the 2.5-15 μm waveband that shows thermal stability as they are heated in an inert atmosphere to temperatures of about 400 ^ degC. 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 micro-organisms over the 3.15-3.7 μm waveband.
Al-Mufti Shirwan
Hoyle Fiona
Olavesen A. H.
Wickramasinghe Chandra N.
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