Top 10 Moon Mysteries

© Frank Krahmer/Corbis

Was the moon covered by cities? Made out of cheese? Or once a beautiful Mayan woman?

Humanity's curiosity has led to obsessive scientific study of our lunar companion, to the point that we've landed spaceships on it. While it's hard for the moon to maintain much mystique after Alan Shepard hit a golf ball off its face with a 6-iron, there's still a bounty of secrets to go round.

So, what are you waiting for? Dive into 10 of our favorite lunar puzzlers.

Article originally published in 2009 on Discovery Space.

About the Author: Robert Lamb spent his childhood reading books and staring into the woods — first in Newfoundland, Canada and then in rural Tennessee. There was also a long stretch in which he was terrified of alien abduction. He earned a degree in creative writing. He taught high school and then attended journalism school. He wrote for the smallest of small-town newspapers before finally becoming a full-time science writer and podcaster. He’s currently a senior writer at HowStuffWorks and has co-hosted the science podcast Stuff to Blow Your Mind since its inception in 2010. In his spare time, he enjoys traveling with his wife Bonnie, discussing dinosaurs with his son Bastian and crafting the occasional work of fiction.