On the survivability and detectability of terrestrial meteorites on the moon.

Abstract:

:Materials blasted into space from the surface of early Earth may preserve a unique record of our planet's early surface environment. Armstrong et al. (2002) pointed out that such materials, in the form of terrestrial meteorites, may exist on the Moon and be of considerable astrobiological interest if biomarkers from early Earth are preserved within them. Here, we report results obtained via the AUTODYN hydrocode to calculate the peak pressures within terrestrial meteorites on the lunar surface to assess their likelihood of surviving the impact. Our results confirm the order-of-magnitude estimates of Armstrong et al. (2002) that substantial survivability is to be expected, especially in the case of relatively low velocity (ca. 2.5 km/s) or oblique (

journal_name

Astrobiology

journal_title

Astrobiology

authors

Crawford IA,Baldwin EC,Taylor EA,Bailey JA,Tsembelis K

doi

10.1089/ast.2007.0215

subject

Has Abstract

pub_date

2008-04-01 00:00:00

pages

242-52

issue

2

eissn

1531-1074

issn

1557-8070

journal_volume

8

pub_type

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