taltamir
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ORIGINAL: MuthaF
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ORIGINAL: taltamir
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Given enough time, resources and determination, even civilization as primitive as our could completly wipe out more advanced civ and render their planet inhospitable for millions of years.
No they can't... we could completely annihilate anything living on a planet, but it would NOT prevent it from supporting life in the future. Just import new living organisms from neighboring planets.
The only way for there to be a "fixed" quality that doesn't rise with the introduction of living creatures is if quality represents the maximum quality, which is determined by the distance from the star, the emission of the star, the atmosphere type, gravity, etc...
basically, radiation, pressure, and temperature range.
Nuking / astroid dropping / anti-matter bombing / whatever will annihilate all living organisms, but will not alter its distance from its sun, the radiation provided by its sun, its atmospheric pressure, its ability to deflect harmful cosmic rays, or its gravity or any other such permanent factor...
CHECK PLANETARY HISTORY IN SOLAR SYSTEM!!!! DAMN, just check EARTHs history. Then tell me this again.
Yeah, Earth's primordial atmosphere changed completly during weekend to support life as we know it... As do Ice/Warm Climate ages change...
Nevermind all the carbon from burned biosphere...
Being in habitable zone doesnt automatically mean the planet is habitable. Even Earth wasnt for most of its existence. And the change wasn't overnight either.
*sigh*
Really, i give up, forget all the geology, physics, climatology and biology u obviuosly just can tell better off your hat, i guess.
Well, lets grab some plants and animals from Earth and drop them off in Venus or Mars.. Biosphere restored overnight, you are elevated to Godhood shortly thereafter 
To all other posters: sorry for off-topic comment 
+edited-out emotional part - i am again sorry, but off-hands dismissals of at least partially documented posts (and i even calulated energies with Lorrentz tranformation etc...) REALLY annoy me :)
On the other hand, if counter argument was about major extinction events and/or biosphere regenerative potentional and/or terraforming possibilities or timescales involved... well, i wouldn't get hot-headed in first place for sure, on contrary, i LOVE factual discussion. :)
We are talking about pretty advanced civilizations here, so some measure of genetic engineering wouldn't be unfeasible... Even without it, they wouldn't be dropping off zebras right away... you can get the right bacteria and plants first.
it is funny because its as if you are arguing against yourself... inhospitable for millions of years? ha? laughable. Now if you said "dozens of years" or even "hundreds of years" that would be a different issue. Also you seem to confuse "hospitable" and "populated". You can begin re-population the moment the last bomb exploded. (now, if its dirty bombs than that is not highly advised... but you can do it; Chernobyl has plenty of wildlife in it today; so its not like the area is sterile)
Anyways, its not just about being in the habitability ring of the star. That only affects the solar radiation levels the planet is exposed to. There is also the matter of mass (gravity), does it have a molten metal core (magnetic field that deflects harmful cosmic rays), does it have plentiful water and other elements required for life, does it NOT have dangerous and harmful elements? etc.
Also, its very arrogant of you to say I am discounting geology, physics, climatology and biology. I took all of those into account, I assure you.
Also, I think you mean carbon dioxide from burnt biomatter. And that would NOT make any difference. The planet still has the same amount of carbon, oxygen, and hydrogen atoms overall, they are just configured differently... you just need to ensure that you first introduce only http://en.wikipedia.org/wiki/Autotroph until you get the desired ratio of carbon dioxide, hydrogen monoxide, and oxygen.
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+edited-out emotional part - i am again sorry, but off-hands dismissals of at least partially documented posts (and i even calulated energies with Lorrentz tranformation etc...) REALLY annoy me :)
Lets not get emotional indeed. We can rationally discuss this, and if needed either move to another thread, or maybe PM, or maybe just not discuss it if it is a problem.
I saw your calculations, but all they indicated is the amount of damage... enough to wipe out all living creatures on the planet... thing is, I didn't NEED for you to show me those, I already knew that you can wipe out all living creatures on a planet. I am saying that wiping out all living creatures on a planet does not make it inhospitable, merely depopulated.
Those calculations:
1. Did not show that the planet could not be restored after the last bomb dropped.
2. Did not show why it will be impossible to repopulate for MILLIONS of years. (or any amount of years for that matter)
unless you literally blast it out of orbit, or smash it into a new asteroid belt. in which case you have destroyed the very planet itself. (and that is represented in the game via the planet annihilator... a planet destroyed by it cannot be recolonized, cause there is no planet left)... if you destroy a planet you haven't made it into an "inhospitable planet", you have made it "not a planet"... and even the, btw, it will eventually reform unless you blast the pieces far away enough.
And yes, large enough bodies at near C certainly could pack enough punch to destroy a planet in such a manner.
< Message edited by taltamir -- 7/14/2010 5:51:41 PM >
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I do not have a superman complex; for I am God, not Superman.
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