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NASA scientist warns that 'extremely tiny' visitors could have been too small for us to spot
Dr Colombano told Califoria's SETI-backed Decoding Alien Intelligence Workshop back in March that scientists need to broaden their idea of what an extra-terrestrial would like like.
'I simply want to point out the fact that the intelligence we might find and that might choose to find us (if it hasn't already) might not be at all be produced by carbon based organisms like us,' his report read.
He added that scientists must 're-visit even our most cherished assumptions', which has implications for everything from an alien's lifespan to its height.
'The size of the 'explorer' might be that of an extremely tiny super-intelligent entity,' he says.
https://www.dailymail.co.uk/sciencetech/article-6457259/NASA-expert-says-alien-life-visited-Earth.html [dailymail.co.uk]
