The Moon Is 100 Million Years Younger Than Thought

The leading theory of the moon's origin holds that it was created when a mysterious planet slammed into Earth about 4.56 billion years ago. But new analyses of lunar rocks suggest that the moon is actually between 4.4 billion and 4.45 billion years old.



via LiveScience.com http://www.livescience.com/39852-moon-age-100-million-years-younger.html