• View of Earth from space with "HELIOS I" text in white.
  • Group of people preparing a weather balloon on a grassy field, with equipment on a blue tarp.
  • Aerial image of a weather balloon with a sensor rig attached, ascending above a cloudy sky and visible coastline.
  • View of Earth from space with spacecraft equipment visible, including a small parachute, against a dark space background.
  • View of Earth from space with visible blue atmosphere, clouds, and part of a spacecraft in the foreground, showing a black sky background.
  • Black and white image with the words "X RADIATION" in bold on a dark circular background.
  • An empty hospital X-ray room with equipment and examination table.
  • The word 'ELECTORSTAIC' in white text on a grayscale abstract background.
  • Darkroom equipment including an enlarger, test strips, a water filter, measuring tools, rubber gloves, and a reel on a cutting mat.