... the deepest, with a rim-to-floor distance of almost eight miles (13 km), or more than six times as deep as the Grand Canyon. It is believed to have formed in the Moon’s early history during a collision which likely threw up material from the...
... the programme from training in Meteor Crater to exploring the Moon itself; in between, we find astronauts hiking through Grand Canyon, explosives engineers creating mock crater fields and astronomers mapping the Moon. We even discover that the...