The South Pole-Aitken basin is the moon’s oldest and largest visible crater—a massive geological wound 4 billion years old that preserves secrets about the moon’s early history, much like a lunar time capsule.
Home » The moon’s biggest and most ancient crater is more circular than previously thought
The South Pole-Aitken basin is the moon’s oldest and largest visible crater—a massive geological wound 4 billion years old that preserves secrets about the moon’s early history, much like a lunar time capsule.