“Alien Crystal” Found In Meteorite?
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If you can prove it is common on Earth, show it. If you can show it is commonly found in nature, then bring it. Otherwise people should not listen to you.
https://www.caltech.edu/about/news/natural-quasicrystals-may-be-result-collisions-between-objects-asteroid-belt-50984
It isn't common on earth of course.The question is rather - is it common/probable in space. In space even fire behave other way than usual.
How long is your explanation or excuse? Can you get it soon? What's the difference between "much less common", "less common", "uncommon", and "rare"?
Dont ask me about difference about those words,rather check how many meteorites from asteroid belt we have.
It is rare,but I wouldn't say "artificial". Glassification or quasi-crystallization shall happen in space sometimes.I cannot say about probability and how common it is simply because I don't have a data about chemical composition of asteroids in solar system,probability of asteroid crashing with asteroid,their velocities...
If it were organized complex nanostructure we would have the right to suspect alien nature... But it isn't really such. It is all about proper chemical composition and rapid cooling and a bit of quasicrystals in meteorite as the result.
Perhaps you don't know the meaning of "alien" per se. What is your definition of alien?