[meteorite-list] sterilizing that probe...!

From: mark ford <markf_at_meteoritecentral.com>
Date: Thu Apr 22 10:32:45 2004
Message-ID: <6CE3EEEFE92F4B4085B0E086B2941B31014477_at_s-southern01.s-southern.com>

Hi


Ethylene Oxide was rejected as a viable sterilization method on the
Viking lander missions, so am I right in assuming they (NASA) have
changed that idea?

(It's just that they found viable microorganisms after treating with
Ethylene Oxide...)


Mark Ford



-----Original Message-----
From: stan . [mailto:laser_maniac_at_hotmail.com]=20
Sent: 02 March 2004 08:05
To: meteorite-list_at_meteoritecentral.com
Subject: Re: [meteorite-list] sterilizing that probe...!


Have all other groups sterilized previous martian landers? if not then
the=20
planet has already been contaminated.

Whasnt it LDEF that came back home and much to scientists surprise=20
terrestrial organisms that werent removed from the structure (ie they
were=20
NOT intended payloads) prior to launch had survived floating around
exposed=20
space for quite some time, to be brough back home with the staellite
when it=20
was retrived

>From: "Rosemary Hackney" <ltcrose_at_bellsouth.net>
>To: "Dave Harris" <entropydave_at_ntlworld.com>,"metlist"=20
><meteorite-list_at_meteoritecentral.com>
>Subject: Re: [meteorite-list] sterilizing that probe...!
>Date: Tue, 2 Mar 2004 01:16:14 -0600
>
>Ethylene oxide.
>
>Rosie
>----- Original Message -----
>From: "Dave Harris" <entropydave_at_ntlworld.com>
>To: "metlist" <meteorite-list_at_meteoritecentral.com>
>Sent: Tuesday, March 02, 2004 12:51 AM
>Subject: [meteorite-list] sterilizing that probe...!
>
>
> > Hi,
> > Somewhat off-topic I know but... I have been trying to figure out
how=20
>one
> > can sterilize these various Mars probes, knowing how tenacious life
can
>seem
> > to be.
> > Surely NASA cannot be seen to contaminate the (potential) Martian
>biosphere
> > and there is a lot of hardware that needs to be quite literally
100%
> > sterile - otherwise, how would one know whether or not the
signatures of
> > life that may be found were not terrestrial in origin?
> > How on Earth does one sterilize Mylar, for example?
> >
> > Unknowledgebly yours
> >
> >
> >
> > dave
> >
> > IMCA #0092
> >
> > ______________________________________________
> > Meteorite-list mailing list
> > Meteorite-list_at_meteoritecentral.com
> > http://www.pairlist.net/mailman/listinfo/meteorite-list
> >
>
>
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Received on Tue 02 Mar 2004 10:41:32 AM PST