Not sure if you understand that we can see such a large number of stars that even though we've only been looking for less than a century, if this was so common then we would have seen it very many times already.

You know, I applaud and respect that the responses given so far are respectful of the non-scientific background of the asker, but I’m actually a little bit puzzled. Understand an 80 year old guy who has never went to school or used the internet, can’t read or speak the language, may not know something such as that…