As funny as these recordings of astronauts falling on the moon may seem, many were actually carried out under mission orders and were of valuable importance to NASA’s research endeavors. During Apollo 15, astronauts were conducting experiments on metabolic rates across various types of lunar terrain, and during Apollo 16, the falls took place while testing differences in locomotion on the moon and Earth. Adding to unexpected seriousness of the footage, one of these falls threatened the life of astronaut Charles Duke, who came close to cracking his suit and exposing himself to the vacuum of space...