General Knowledge Quiz for Saturday, 22 July 2017
A new general knowledge quiz is available every day. Try today's quiz or work through our archive of daily and themed quizzes.
Question 1: Why did the Mars Climate Orbiter, launched on 11 December 1998, drift off course during its voyage and enter a much lower orbit than planned before being destroyed by atmospheric friction?
A
B
Came under the influence of the sun's gravity
Hit by a meteor
C
A faulty computer software specification
D
Illness of the crew