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#ejecta
#leanne macomber
#young ejecta
#science
#crater
#impact
#bolide
#shock
#rarefaction
#ejecta
#planet
#asteroid
#meteorite
#the earth story
#popigaj
#crater
#ejecta
#erosion
#earth from space
#siberia
#tamyr peninsula
#diamond
#superhard
#hardness
#impact
#geology
#science
#the earth story
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