newjerseyrunner
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Wow, that's insane. I would have thought it was closer to the size of a yoga ball than a baseball.Tom.G said:this from: https://gizmodo.com/holy-crap-the-moon-was-struck-by-a-meteorite-during-th-1831950105
...a preliminary guess is that the object, likely a tiny asteroid, had a mass around 22 pounds (10 kilograms).
If it was an Iron rich object, that would put it around the size of the fist of an adult man.