Mission to Mars Page 18

5.13 AP Images/Planetary Resources.

  Chapter 6

  6.1 Pete Souza/The White House;

  6.2 NG Maps;

  6.3 NASA/USGS;

  6.4 NASA/JPL-Caltech/Malin Space Science Systems;

  6.5 Photo by Mark Thiessen/National Geographic;

  6.6 Courtesy of Lockheed Martin;

  6.7 ESA/DLR/FU Berlin (G. Neukum).

  Chapter 7

  7.1 NASA/JSC;

  7.2 NASA/JPL-Caltech;

  7.3 NASA;

  7.4 Bryan Versteeg/Spacehabs.com;

  7.5 NASA;

  7.6 NASA;

  7.7 NASA;

  7.8 Robert Zubrin;

  7.9 SpaceX;

  7.10 SpaceX;

  7.11 NASA/JPL;

  7.12 (UP), NASA;

  7.13 (LO), Arizona State University/Ron Miller;

  7.14 Graphic by Robert O’Brien, Center for Space Nuclear Research at DOE’s Idaho National Laboratory;

  7.15 NASA;

  7.16 JPL/NASA.

  Chapter 8

  8.1 NASA/JSC;

  8.2 Photo by Mark Avino/NASM. Copyright: Smithsonian Institution;

  8.3 Used by permission from the Buzz Aldrin Photo Archive.

  Backmatter

  Rebecca Hale, NGS.