In January, skywatchers spotted a mysterious object on a collision course with the moon - but no one saw the impact happen. Now, after months of searching, astronomers have found the crash site. Yet what they found raises more questions than answers.
The moon crater mystery
In January, skywatchers spotted a mysterious object on a collision course with the moon - but no one saw the impact happen. Now, after months of searching, astronomers have found the crash site. Yet what they found raises more questions than answers.
The moon crater mystery

