NASA finds a 'once in a century' lunar crater, bigger than the Roman Colosseum

Scientists have discovered a crater on the moon that's bigger than the Roman Colosseum and is the result of a powerful impact two years ago that initially went undetected.

Source: [France24](http://www.france24.com/en/earth/20260917-nasa-finds-a-once-in-a-century-lunar-crater-bigger-than-the-roman-colosseum)