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30 feet hitting the surface of the Earth was a couple hundred feet across when it's in space.
The really bright fireballs that get mentioned every now and then? Something the size of an SUV to a schoolbus, burning up completely before it reaches the Earth.
Also depends on rocky or iron cored meteoroids. The rocky ones tend to shatter when they hit the atmosphere, even the really big ones, they have a structure similar to pumice.
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Mike Bradshaw
1980 911SC sunroof coupe, silver/black
Putting the sick back into sycophant!
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