Moon’s giant canyons formed in minutes by ancient rock hailstorm, scientists find
In a stunning discovery, scientists have determined that two massive lunar canyons—Vallis Planck and Vallis Schrödinger—were created in under 10 minutes by a catastrophic rain of rock debris. The finding significantly deepens our understanding of lunar geology and has major implications for upcoming crewed missions to the Moon. The impact event that changed the Moon…