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Not necessarily. I'm imagining a "finders keepers" situation, which doesn't require losers in unbounded environments. The idea is that "permanently human-inhabited territory" would grow to include places other than Earth.NeoWarrior7 wrote:Eh, not really. We first need to establish someone to claim it AGAINST.
Which the Death Star could do. Some official sources have it that the Empire's publicly stated purpose for the Death Star was to mine barren planets.NeoWarrior7 wrote:Now, a giant colonizing/terraforming/exploring ship, that could be useful. Or a planet-cracker, that could break open planets, drain all the resources, and build more planet-crackers.
Building a working Death Star would put humanity close to Kardashev III. We're talking about dismantling planetoids and using more than Earth's solar energy budget as early prerequisites. At that point, fossil fuels and terrestrial mining would not really matter.RuffDraft wrote:Well.. as for the insane amount of resources we would need to accomplish this... Please allow me to remind you that nothing is a resource until we know how to use it. Land that contains oil used to be worthless because no one knew you could refine it and transform it into gasoline, etc. The deepest mine is only about 2 miles deep, while the distance from the surface to the core is almost 4000 miles; we've hardly scratched the surface. It's entirely possible that Earth contains enough resources for the job.
Actually, planets are held together by gravity, not electromagnetism, so they don't really have a structural integrity in the conventional sense. If you scoop out a big chunk from the core, the outer layers would settle a bit (as has happened on Mercury); there might be some impressive earthquakes, but the planet wouldn't fall apart or anything.Whatis6times9 wrote:But would strip mining an entire planet be a good idea, I'm sure there's a point where there's only so much structural integrity you could rip out or so much you could pull from the core or mantle before catastrophe.
The material required would be enough to bury all the land on Earth to a depth of several meters. Do you propose building Coruscant instead?NeoWarrior7 wrote:Plus, I feel like we could use all that material better on Earth anyways.
The thing is, with a Death Star or similar spaceship, we wouldn't need another planet. If used for living space, a Death Star would have square footage on the order of Earth's land area, only all habitable. Running life support, even chemical synthesis of oxygen, water, and food, would take a tiny fraction of a Death Star's power output.OrangeDJ wrote:before counquering we should work on finding a suitable alternate planet to live on
Riz wrote:or not conquer at all cuz we don't need to :o
Unless we encounter the Mi-go. If we meet them sooner, it would be advantageous to be able to start on the offensive. If we meet them later, it would be advantageous to have converted as much of the universe as possible into fortified, industrialized living space (which Death Stars could serve as).Warbear wrote:We don't even have anything to conquer.
Also, Pluto's outer layers are probably rather light on the metals that would probably be needed.Q.U. wrote:Mining on Pluto would be a total bitch. Much worse than mining in Antarctica. Half the year during Pluto's "winter" the whole goddamn atmosphere freezes out and falls to the ground.Stuff wrote:Take shit from Pluto, Pluto isn't a planet anymore. ;D
That would be incalculably awesome, but it would surely doom us all.Q.U. wrote:How about we build several enormous engines into the ground with exhaust facing out into space, and turn the Earth into a space vessel? Imagine, sun burning out, growing and getting ready to explode. Planets still orbit obediently. Earth says: "fuck this, I'm out" and flies away on its own, like a boss.Maybe we should turn EARTH into the Death Star. A Super Death Star.
Riz wrote:let's mine Jupiter
Actually, there's a chunk of what would be terrestrial-planet-stuff in there. And the crazy materials needed to make a Death Star do what we want would probably enable such a straw.Q.U. wrote:Mine what? There's no solid surface. Only gas, then liquid gas. Best you can do is shove a giant straw into it and slurp it out.
Actually, size has certain advantages. The surface area / volume ratio shrinks with size, so shielding becomes more efficient. Adding ten meters of armored radiation shielding to a 100km wide ship is a lot more practical than adding ten meters of shielding to a billion 100m wide ships. The amount of redundancy and system independence possible in a huge ship gives a lot bigger cushion against disasters so long as thermal exhaust ports are kept safe.EagleMan wrote:There's no point in building something that large,
Active defenses like shields and point defense lasers depend on the power available, which scales with the volume of a ship. Passive defenses like armor depend on their thickness, and for a given percent of a ship's weight, armor thickness scales with linear dimensions. The idea of Death Star type things is that they are concentrations of offense and defense way out of scale with the status quo, giving them qualitative advantages over the amount of conventional things one could build with the same resources. In Star Wars, this meant that the Death Star could one-shot shielded planets that could withstand bombardment of non-simultanious firepower while being well defended against conventional fleets.EagleMan wrote:especially for possibly offensive/defensive purposes, if force field technology is not feasible, as it would be much easier for any force to take out a massive spaceship, due to its inability to maneuver and the possibility of cascading failures from damage to one section of the ship to other parts (or a massive investment in redundancies which just means you'd be better off with smaller ships). Even for colonizing purposes it really isn't necessary. You'd want to have several ships in case anything happened to a ship, so the whole populace doesn't go down.
The usual numbers for short / long term population viability are 50 / 500 reproducing individuals. A single Death Star could carry the entire human population of Earth.EagleMan wrote:If you're worried about breeding, presumably future colonial ships would carry plenty of frozen sperm and eggs to maintain genetic diversity well into the future, so that the number of humans and inbreeding does not become an issue.
icha_icha_paradise wrote:So, which 50/500 people are we taking?
Valhallen wrote:Actually, planets are held together by gravity, not electromagnetism, so they don't really have a structural integrity in the conventional sense. If you scoop out a big chunk from the core, the outer layers would settle a bit (as has happened on Mercury); there might be some impressive earthquakes, but the planet wouldn't fall apart or anything.Whatis6times9 wrote:But would strip mining an entire planet be a good idea, I'm sure there's a point where there's only so much structural integrity you could rip out or so much you could pull from the core or mantle before catastrophe.
Riz wrote:I would not get on, I have this fear of being stuck in outer space
That's a minimum figure for genetic stability over generations / indefinitely. My point was that there is plenty of room on a single Death Star to take as many people as you want. But we should at least put Mark Hammill in charge of the PA system.icha_icha_paradise wrote:So, which 50/500 people are we taking?
Riz wrote:omigosh omigosh omigosh Val quoted me
Like I said, earthquakes. The rest depends on how much is removed and how it is done. If the removal was even and gentle, Earth would probably get a series of compression ridges like Mercury. If it was more violent, there might be fissures and volcanic activity, maybe a flood eruption. Since material is taken from the core, it would probably be stirred up some, so the magnetic field would probably be strengthened, but its stability would depend on how material is removed and how the outer core's convection currents are disrupted.Whatis6times9 wrote:But how habitable would earth still be and what effects would it have on the magnetic field?
Death Star's a son of a bitch, y'all. All a killer solar wind would be able to do to it is to clean bits of exploded planets off its windshield.OrangeDJ wrote:Hey lily here's a question, if the earth had a possibility of being destroyed by some solor wind or whatever, would you get on? there would also be a chance the ship wouldn't escape the winds and blow up in space and earth would be fine, Would you get on?
NeoWarrior7 wrote:We can grow meat in labs.
Last I heard, it's just muscle cell cultures, with no tissue or organ structure. It has to be molded into edible chunks, and any texture in the final product is from the processing. Also, most flavor would come from additives in the culture medium or flavorings added in processing. So it would probably be pretty similar to other highly processed meat and meatlike products; think somewhere between finely ground mystery sausage and vegetable-based meat substitutes.Riz wrote:how does it taste?
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