http://nicka-startcev.livejournal.com/ ([identity profile] nicka-startcev.livejournal.com) wrote in [personal profile] antihydrogen 2015-09-10 09:43 pm (UTC)

комету надо ронять, на те самые примерно 5е13 тонн.
навскидку, 5е13 м3 = 5е4 км3, то есть, где-то 20х20х25 км кусок смерзшихся водоаммиаков.
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