Panspermia videos

Description:  Panspermia (1990) By Karl Sims




Description:  Panspermia is the name for the theory that life exists and is distributed throughout the universe in the form of ...




Description:  The simulation by Carl Simms.




Description:  why oh why did I say fish eggs..? WAY TOO COMPLEX! two simple questions, with a long-winded introduction...




Description:  DJ's Panspermia Assignment (Shuler, 3rd - CHS)

Tags: DJ Panspermia



Description:  Interesting notions about how life possibly came to our planet from deep in space




Description:  A discussion of the technological feasibility for such a space mission. Credit to Duck1987 for the shaving video idea. CORRECTIONS: Voyager 1 is ...




Description:  My 2 cents about the two questions and a little something extra.




Description:  In the last clips of Lets talk About Evolution, Jeff Mason showed through the actual known science that life could ...



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Re: Panspermia: Could we? Should we?

Call me Mr Party-Pooper.
Length: 00:08:59

Video Comments:
shaolindreams (January 7, 2008 at 8:33 pm)
you must of rammed that J with weed man keeps going out xD ;) gimme a pull and lets chat about the meaning of life :D

your a top dog i like the way you think :)

human initiated panspermia is pointless.
ChrisJMoor (January 2, 2008 at 8:45 pm)
how to bump-start an ecosystem on an abiotic planet...interesting subject but here is a big problem: a planet within the ecosphere of a star that is also abiotic would probably have a carbon-rich atmosphere with a strong greenhouse effect, like Venus. Locking up that carbon in organic matter very quickly would cause global cooling...
ChrisJMoor (January 2, 2008 at 8:48 pm)
so you either have to start to terraform a planet too hot to support even extremophiles and hope it cools down to Earth temperatures...or you start with a pretty warm planet that supports extremophiles and finish with one colder than Antarctica... see my point?
ChrisJMoor (January 2, 2008 at 8:51 pm)
there is another possibility that sounds crazy - we could get rid of that excess carbon to space. How? By lassoing a comet or two, perhaps as big as pluto, and crashing it into our wannabe second Earth. This would literally blow a large portion of the original carbon-rich atmosphere to space, and also introduce water, if a large inventory of water was not already present...
philhellenes (January 2, 2008 at 9:37 pm)
Maybe the probes would have to seek out freshly born systems, where the solar output would slowly increase over time. Basically, whatever worked here HAS to work somewhere else, provided we can identify what conditions to look for. All we have to do is survive long enough to figure it out. Any bets? :)
ChrisJMoor (January 2, 2008 at 11:13 pm)
While I'm in favour of 'seeding' a primordial world in another star system with life, in the expectation that, in say half a billion years it might look like Earth now...I'm more in favour of trying to terraform Venus or Mars on a scale of decades or centuries so we can colonise the solar system ourselves.
philhellenes (January 3, 2008 at 7:33 am)
We'll have to do that first anyway as it is by FAR the "easier" challenge.
ChrisJMoor (January 3, 2008 at 1:22 pm)
Quite. I thought of something else: you say that simple microbes arriving on a well-developed ecosystem would go extinct immediately. What if they were actually more successful and drove the original lifeforms to extinction? This is a big 'should we' question:)
philhellenes (November 7, 2007 at 9:04 pm)
This is my third one. Any suggestions?
only1duk (November 8, 2007 at 8:42 am)
ebays the best....

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