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Originally Posted by ringwraith18 I thought it was solar powered :\ |
It uses a radioisotope, which is very small beer in terms of radiation risk, as even if a dispersal took place in the Earth's atmosphere directly right above a jumbo jet the radiation dose would be at x-ray levels. Will's right about reservations about carrying heavy duty nuclear material into space: far more scary, given the very high risk of explosion that still exists with rocket propulsion.