The video shows a series of images of space, with a focus on a nebula. The nebula is predominantly purple and blue, with some white and yellow areas. The images are accompanied by text that reads, "THE PROBLEM OF RADIATION IS IN FACT THE MAIN PROBLEM LONG-DURATION MISSIONS SUCH AS THOSE THAT HUMANITY GOING TO UNDERTAKE." The text is white with a black outline for readability. The video does not show any movement or change in the images, and there are no other objects or actions depicted.