When we talk about the enormity of the cosmos 💫, it’s easy to toss out big numbers – but far more difficult to wrap our minds around just how large, how far, and how numerous celestial bodies really are. Join us for a cosmic journey to see the size of our Milky Way galaxy: https://go.nasa.gov/2UxkHIN | NASA - National Aeronautics and Space Administration

Take a virtual tour of the world’s largest and most powerful space simulation facilities! Our Space Environments Complex is where we ensure spacecraft, like NASA’s Orion Spacecraft, are fit to fly. Explore for yourself here: https://www.nasa.gov/specials/sec360/ Got questions? Leave them below and NASA experts will answer your most frequently asked questions right here in the comments section. Tip: You can tap or click the arrows or use the menu on the left to navigate to each area within the fa