NASA Space shuttle Atlantis lifts off in this Nov. 3, 1994, image, with NASA astronauts Donald R. McMonagle, Curtis L. Brown, Jr., Ellen S. Ochoa, Scott E. Parazynski, and Joseph R. Tanner, and ESA (European Space Agency) astronaut Jean-Francois-Clervoy aboard. During the 11-day mission, the crew studied Earth’s atmosphere, gathering data on the Sun’s energy output, the atmosphere’s chemical composition, and how these affect global ozone levels.
Image credit: NASA