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JoeTheBro said:
No, I don't think so. Our existence does not prove alien existence like many people believe. That's like assuming "I have a Rubik's cube in my hand so obviously someone else out of 7 billion people also has a Rubik's cube in their hand." While that statement is very probable, it can still be wrong.

Now the reason I believe we are alone is simple; YouTube told me.


Raise that number to about 100 billion. And that's just within our own galaxy. Most statistics estimate at least 100 billion galaxies. And that's just within the observable universe.