Assertion: meteorite's amount | /r/AtLocation | given region
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Source sentences:
text: The number of such solid bits is even less than the number of Solar wind particles, with only a few grams of such materials scattered through each million cubic miles of space, but despite the tiny amount of material which is in any given region we run into a surprisingly large amount of this debris every single day, because with a cross-sectional area of 50 million square miles and an orbital velocity of a million and a half miles per day, the Earth sweeps through almost a hundred trillion cubic miles of space each day.