Americans are fired up for the 50th anniversary of the Apollo 11 moon landing, which arrives on July 20. And Colorado, with its wealth of aerospace institutions and growing legacy in the industry, will be one of the epicenters for the celebration. Here are a few public, family-friendly events happening along the Front Range in the coming days to help you get in an extraterrestrial state of mind. Apollopalooza The biggest and most exciting celebration is Apollopalooza, a sprawling event at Wings Over the Rockies Air & Space Museum, the state’s official aerospace institution.