Here's What We Thought We Knew About the Moon Before Apollo 11

July 18, 2019

Before humanity first set foot on the lunar surface, the moon was an elusive rock in our night sky. Scientists weren't sure how it formed or what it was made of, and there was even a common misconception that the moon's surface would be fluffy. "There was real concern that our lunar landers would sink into the surface because the material was so fluffy...