“Or we could make the impactor pointy, which makes it go deeper down but creates a more columnated plume of material.”
“The anomalous platinum group element geochemistry of the ejecta horizon suggests that the impactor was an asteroid.”
“Yes, there are other contributing factors such as global warming, pollution, predation and angling, but the single largest impactor is the drift net.”
“Small impactors deliver meteorites, while large ones infrequently wreak global devastation.”
“Similar to the effects of a thick atmosphere, a vertical column of water would also inhibit the formation of impact craters from smaller impactors.”
“The close dates of the major impact basins suggested that the Moon experienced a late, heavy bombardment of large impactors around 3.8 to 4 billion years ago.”