New Scientist on MSN10d
Grand canyons formed on moon in minutes after colossal asteroid strike
Two canyons that splay out from a vast asteroid crater on the moon may have been quickly formed by chains of impacts that ...
earth4d
Asteroid impact carved two Grand Canyon-sized valleys on the Moon in under 10 minutes
Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...
Reuters11d
Asteroid impact on moon blasted two grand canyons in 10 minutes
The object that struck the moon is estimated to have been about 15 miles (25 km) in diameter, larger than the asteroid that struck Earth 66 million years ago and doomed the dinosaurs. "When the ...
Newsweek10d
How an Asteroid Hit the Moon and Made Two 'Grand Canyons'
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 ...
The Straits Times10d
Asteroid impact on moon blasted two grand canyons in 10 seconds
The object that struck the moon is estimated to have been about 15 miles (25 km) in diameter, larger than the asteroid that struck Earth 66 million years ago and doomed the dinosaurs. "When the ...