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P. 28. The picture was trimmed incorrectly. This photo (originally from NASA) shows both moons and the asteroid Gaspra.
P. 91. The page of splash art that opens Chapter 6: Superscience Mars has been switched with that of Chapter 7: Dying Mars on p. 106.
P. 106. The page of splash art that opens Chapter 7: Dying Mars has been switched with that of Chapter 6: Superscience Mars on p. 91.