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In space, no one can hear you scream... except for the lichen. :)
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Clinically Insane
Join Date: Dec 1999
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http://www.newscientistspace.com/article.ns?id=dn8297
Apparently lichens can live two full weeks (possibly longer) in a vacuum even when exposed to high temperature deviation and extreme ultraviolet radiation.
Why is that important? Well, it's the most complex organism(s) we know of that can "live" (well, they go dormant and stop all metabolic processes) in space. Could have similar organisms been on rocks or ice objects blasted from lightyears away, then hit Earth in its early development?
Those are some of the key questions for the history of our planet. How did organisms get on this planet in the first place? Well, it looks very possible that they came from somewhwere else!
Cool science!  
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"…I contend that we are both atheists. I just believe in one fewer god than
you do. When you understand why you dismiss all the other possible gods,
you will understand why I dismiss yours." - Stephen F. Roberts
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Clinically Insane
Join Date: Jul 2005
Location: Vacation.
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Originally Posted by olePigeon
Those are some of the key questions for the history of our planet. How did organisms get on this planet in the first place? Well, it looks very possible that they came from somewhwere else!
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Been inclined to wander... off the beaten track.
That's where there's thunder... and the wind shouts back.
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Addicted to MacNN
Join Date: Mar 2001
Location: USA
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Yup, we're all clam turds.
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Mac Elite
Join Date: Apr 2001
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water bears (in the animal kingdom) can also live in space, can withstand freezing, boiling, drying out etc..
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"Government is not reason; it is not eloquent; it is force. Like fire, it is a dangerous servant and a fearful master." -George Washington
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Baninated
Join Date: Oct 2002
Location: In yer threads
Status:
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Originally Posted by RAILhead
Yup, we're all clam turds.
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