Part of a SpaceX rocket traveling at more than 5,000 miles per hour crashed into the moon early Wednesday morning. NASA is planning to create a more sustained human presence on the lunar surface through the Artemis program. Watching a lunar impact in real timeThe SpaceX Falcon 9 rocket is seen arcing over the sky after liftoff in 2025. But impacts from artificial objects like the Falcon 9 upper stage have only occurred a handful of times, according to the study. Understanding lunar risksThe upper stage is located toward the top of the rocket stack.