[meteorite-list] Can Microbes Survive a Million-Year Space Journey? Experts Say Yes

From: Steve Dunklee <sdunklee72520_at_meteoritecentral.com>
Date: Thu, 17 Sep 2009 01:27:27 -0700 (PDT)
Message-ID: <489606.82366.qm_at_web33202.mail.mud.yahoo.com>

if we found an earth like rock with life in it we would naturally assume it came from earth. and being an earth like rock it would be discounted as ever being a meteorite. i9f meteorites have arrived here from mars then earth meteorites with life in them mmay have fallen on mars.
cheers
Steve

--- On Wed, 9/16/09, JoshuaTreeMuseum <joshuatreemuseum at embarqmail.com> wrote:

> From: JoshuaTreeMuseum <joshuatreemuseum at embarqmail.com>
> Subject: [meteorite-list] Can Microbes Survive a Million-Year Space Journey? Experts Say Yes
> To: meteorite-list at meteoritecentral.com
> Date: Wednesday, September 16, 2009, 11:48 AM
> Can Microbes Survive a Million-Year
> Space Journey? Experts Say Yes
> By Jason McManus
> 16 September 2009
>
> In a unique experiment on a galactic scale, millions of
> bacterial spores
> have been purposely exposed to space, to see how solar
> radiation affects
> them and the results supported the idea that not only could
> life have
> arrived on Earth on meteorites, but that considerable
> material has
> flowed between planets.
>
> Closer to home, scientists have analyzed aerial dust
> samples collected
> by Charles Darwin and confirmed that microbes can travel
> across
> continents without the need for planes or trains - rather
> bacteria and
> fungi hitch-hike by attaching to dust particles. Their
> results clearly
> show that diverse microbes, including ascomycetes, and
> eubacteria can
> live for centuries and survive intercontinental travel.
> ----------------------------------------------------
>
> It takes a huge leap of faith to go from a few centuries
> and intercontinental travel to MILLIONS of years traveling
> in OUTER SPACE! Extrapolation to the extreme.
>
> If the UV doesn't get 'em surely the Van Allen radiation
> will? over the (how many years?) in a declining orbit
> around the Earth.
>
> Quote: "In a rock a meter across, bacteria could probably
> survive for millions of years"
> Re(butt)al: "Yes, and monkeys could probably fly out of my
> butt."
>
> So where exactly? are these imaginary panspermic
> endospores coming from? Certainly not from Mars. My guess is
> an undiscovered planet called Pie In The Sky.
>
> Of course, it'll only take the discovery of one single ET
> in a meteorite for me to adjust my belief system
> accordingly.
>
> Emperically yours,
>
> Phil Whitmer
>
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Received on Thu 17 Sep 2009 04:27:27 AM PDT