moon, asteroid and grand canyons

YR4 does smash down on the lunar surface, the explosion might be visible from Earth and would leave a new crater on the near ...
They appear within the Schrödinger impact basin, close to the moon's south pole. They were produced by a tremendous impact ...
Two immense canyons on the moon's far side that rival Earth's Grand ... "Nearly four billion years ago an asteroid or comet flew over the lunar south pole, brushed by the mountain summits of ...
CAPE CANAVERAL, Fla. (AP) — New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons on the lunar far side. That’s good news ...