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Yes, studies have been made
[...]But finally scientists had to give it up


Could you reference these experiement and/or why scientists gave up?

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" Compliment comandant Dick the 40.050th and honour to the 4.000.000.000 heroes who sacrificed their life for our great country
I must remind you however that 99 % of the galaxi is still unexplored
Aliens expect that you complete your mission "

This is the conclusion that you would come , just making some simple calculations


I have NO idea what this is all about or what it's meant to show. confused
Is this another "absurd" attempt?

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Meteorits come also from deep space not only from our solar systems


I beleive that most of the debris that hits our Earth will in fact be from our local neighborhood (say a 1 lightyear radius from us). During the solar systems creation, the systems gravity would have "sweeped" up outlying debris and left it relatively clear. I'm sure objects from further away can and I'm sure do hit us, but based on my hypothesis, these "extra-solar" objects would be few and far between and thus we are safe in taking as a starting assumption that a meterite is from our local neighborhood.