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Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on Google+ if you'd like.
Now I wonder which one it could be…. *sarcasm alert*
Neptune’s moon Triton has active volcanoes that do not spew out hot magma like familiar Earth-bound volcanoes do, but giant jets of icy liquid nitrogen instead.
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