this post was submitted on 28 Nov 2024
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Japan's priceless asteroid Ryugu sample got 'rapidly colonized' by Earth bacteria (www.space.com)
submitted 8 months ago by m3t00@lemmy.world to c/science@lemmy.world
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[–] veganpizza69@lemmy.vg 3 points 8 months ago

The compromise would be to create a signature biome and allow it to contaminate. And if they find some rock which doesn't have that signature biome, then it's probably extraterrestrial.