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Asked by anon-292567 to Ross on 20 Apr 2021.
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Ross Low answered on 20 Apr 2021:
I don’t think anybody knows the answer to that but if there are aliens out there then they will most likely have parasites that make them sick!
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Comments
Steve commented on :
I’ve no idea – but some of the ones we have on earth look pretty alien – check out this tapeworm picture taken with a big electron microscope – looks pretty alien to me!
https://www.nikonsmallworld.com/galleries/2017-photomicrography-competition/taenia-solium-everted-scolex
Ed commented on :
Probably, according to the Drake equation which puts the number of planets with civilizations in the Milky Way galaxy between 1000 and 100,000,000. So I guess that’s a lot of parasites.