trace quantities visokiuose meteorituose? nu jo... "FX" <someone@microsoft.com> wrote in message news:ilosob$imb$1@trimpas.omnitel.net... Taip. 1. Plutonium is the heaviest primordial element, by virtue of its most stable isotope, plutonium-244, whose half-life of about 80 million years is just long enough for the element to be found in trace quantities in nature. 2. Jei ka dar gali pasiskaityti shita veikala: http://www.nature.com/nature/journal/v234/n5325/abs/234132a0.html FX