The following collections provide images for use. Be sure to read the guidelines carefully and provide citations and source recognition when using any images in your work.

• Apollo Image Atlas
  Comprehensive online collection of Apollo-Saturn mission photography from the Lunar and Planetary Institute, including 25,000 lunar images, both from orbit and from the moon's surface, as well as photographs of the earth, astronauts and mission hardware. Search by term or browse by Apollo craft, camera type, and much more.

• Hubblesite

       Hubble Telescope images from the Space Telescope Science Institute; search for images by term of browse by categories

       including galaxies, solar system, nebulae, stars, the universe, and more.

• NASA Images

       An online archive of hundreds of thousands of NASA images.

• NSF's National Optical-Infrared Astronomy Research Laboratory
  NSF’s NOIRLab (NSF's National Optical-Infrared Astronomy Research Laboratory) is the US national center for ground-based, nighttime optical astronomy. The Association of Universities for Research in Astronomy, Inc. (AURA) operates these facilities and NSF’s NOIRLab under a cooperative agreement with the National Science Foundation (NSF).

• National Radio Astronomy Observatory (NRAO) Image Gallery
  A collection of astronomical images taken with NRAO instruments, as well as photographs of NRAO telescopes and facilities.

• Science Photo Library (SPL)
  "World's leading provider of science photos" 100,000 science, technology & industry, space & astronomy, history of science & medicine and more images

• Science & Society Picture Library (Science Museum, London)
  Aeronautics, chemistry, optics, physics, space technology, rocketry and more images

• Sloan Digital Sky Survey
  Data, pictures, and more from this project to map the entire sky.