Photography Credits

From left to right (1-5):

  1. Jagged Horizon on Rosetta Destination Comet, 2014-11-11 [ESA/Rosetta/NAVCAM]
  2. Captive Balloon and Ferris Wheel, World’s Columbian Exposition, Chicago, c. 1893, Library of Congress¬†
  3. A powerful electrical storm created an eerie tapestry of light in the skies near Complex 39A in the hours preceding the launch of STS-8, 1983, [NASA]
  4. Arroyo Seco Parkway, Figueroa Street Viaduct, Spanning Los Angeles River, Los Angeles, Los Angeles County, California, Historic American Engineering Record (Brian Grogan, photographer), Library of Congress 
  5. Mercury Through Time, 2008-10-10 [NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington]