Over at Slashdot , former International Space Station director Mark Uhran mouth about whether the awing place home ground we saw in Elysium is naturalistic . It turn out the biggest job is n’t what you ’d expect .
The space habitat in Elysium is rotating around a central axis of rotation , which likely create enough motor force in the torus to forbid the form of mesomorphic and skeletal damage that astronauts suffer in zero graveness . So that ’s somewhat naturalistic . The existent problem is the radioactivity shielding :
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On a stationary place post , however , it ’s all about the shielding . “ After considering active shields which electromagnetically trap , repel or bend the incident particle , and a peaceful shell which simply soak up the particle in a thick layer of matter , the study radical chose the passive shell for their excogitation , ” record a passage from NASA ’s 1975 report , which advocate layer the outside of a home ground with rafts of minerals .
How many tons ? A tabular array in the written report recommend nine megatonnes for a single toroid ( i.e. , a single beat with one hole ) , which brings up a whole new issue : rotating that much volume ( for establish artificial gravity ) would surmount the long suit of the materials composing the blank space station . “ accordingly the shield must be disjoined from the habitat itself and either rotated with an angular speed much less than 1 revolutions per minute or not rotate , ” the study adds . “ To minimize the the great unwashed required , the shield would be built as stuffy to the subway system of the tore as potential . ”
That shielding could also protect a space station from smaller pieces of floating debris . For best results , Elysium would orbit far above theartificial - junk beltthat circle Earth ( the result of decades ’ worth of satellites , discarded rocket parts , and other random bits ) . “ Two or three sentence a class , we do get warning—36 to 48 hours in advance — that a piece of detritus is in path , and the ISS can maneuver to get out of the way , ” Uhran said . “ In the futurity , you ’d just be in a very , very high orbit where the detritus has a much less density . ”
The NASA report actually recommend consider a number of “ barren orbits ” for a place post — including unity nearer the moonshine , where much of the 10 million ton of matter needed for a large adroitness would presumably be mined .
The Elysium portrayed in the film seems like a single torus , and lacks the scattered shield necessary ( at least according to current mentation ) to kibosh debris and radiation therapy .
So essentially everybody on Elysium would be stomach from the effect of radiation toxic condition constantly . Maybe that ’s why they all take medical bed in their living rooms .
Read more atSlashdot
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