These six big moon mysteries remain unsolved

These six big moon mysteries remain unsolvedEven 50 years after Apollo 11 landed on the moon. By Neel V. PatelJuly 18, 2019 Our Apollo missions created more questions than answers.NASA Saturday will mark the 50th anniversary of Apollo 11 landing on the moon, which was the first time in history humans set foot on an extraterrestrial world. But Earth’s only natural satellite is still a very unfamiliar place to us half a century later, and its history and geology are still puzzling—largely beca...