'We're ALL aliens': Scientist claims discovery of plankton on the ISS is proof that life on Earth came from outer space
Controversial academic has claimed life on Earth is of extraterrestrial origin
This is based on the finding of plankton on the exterior of the ISS this week
Previously Russian experts had said the organisms must have drifted up to the Russian segment of the station from Earth on air currents
But Professor Wickramasinghe says they likely came from outer space
He says this is proof of the theory of panspermia, that life on Earth did not begin on our planet but instead was brought from elsewhere in the cosmos
However a theory for the origin of the plankton has not been agreed upon
It may just be a case of contamination from the US part of the station


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