> NASA spacecraft discovers new crater on the moon larger than the Roman Colosseum, likely created by a powerful impact two years ago; such large-scale events are estimated to occur only once every 132 years (More, w/images)
> NASA spacecraft discovers new crater on the moon larger than the Roman Colosseum, likely created by a powerful impact two years ago; such large-scale events are estimated to occur only once every 132 years (More, w/images)

