40,000 planets could be home to aliensOver 300 like ourselves and up to 40,000 for life in general. This just assumes life as we know it, and that definition keeps on expanding as we find life on our own planet existing in places we didn't think hospitable by the very definitions we had previously established.
Mr Forgan, who believes it will take 300 to 400 years for us to make contact with our neighbours, said: 'I believe the estimate of 361 intelligent civilisations to be the most accurate.
'These would certainly be the most Earth-like civilisations but the bigger figures are certainly possible. We can't rule them out.
'Most of the other planets we have looked at are older than our own – so I would expect to see more advanced civilisations than ours existing.'
Do I really have to wait 300 to 400 years before I can say, "I told you so!" I hope not.
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