A four-ton upper stage of a SpaceX rocket is believed to have hit the moon at 5,400 mph. The SpaceX rocket launched a pair of lunar landers last year, but the company’s scientists say a combination of solar activity and gravity put it on a collision course with the moon. Geoff Bennett discussed larger concerns about lunar litter with science correspondent Miles O’Brien.
Geoff Bennett:
Scientists say a large piece of a SpaceX rocket today crashed into the moon. The four-ton upper stage of the rocket is believed to have hit the moon at more than 5,000 miles per hour.
The SpaceX rocket launched a pair of lunar landers ... [4397 chars]