Why are galaxies different shapes?

Oct 17, 2020
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With how much work and time it takes for a galaxy to form no two can ever be the same... in fact, finding a galaxy that has an identical properties would be as difficult as finding a Two Identical Snowflakes which is measured at odds of around 10^10,000,000,000,000,000,000 and we would have to leave the observable universe to start to find such oddities. I bet twin galaxies exist somewhere but probably a billion or so lightyears out.
 
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Oct 17, 2020
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There are mysteries forever to be unknown. The word is unique, one of a kind.
Each human is the same, unique. It would be boring if it was all the same.
 
There are mysteries forever to be unknown. The word is unique, one of a kind.
Each human is the same, unique. It would be boring if it was all the same.

I don't think that is the take home message here since the article speak of signs of shared processes.

[Human face variation is likely a less common trait, with signs of selection for variation which are thought to happen in a very few other species. C.f. how dogs cannot recognize a human face from a backside according to fMIR scans, though they do recognize the head - instead dogs use odors for recognition of individuals.

And of course cats do not recognize no one else but themselves. 👹]