Multiple Choice
Between 1966 and 1968, just prior to the manned Apollo series, five robotic spacecraft of the Surveyor series made soft landings on the lunar surface. The main purpose of these missions was to:
A) test the lunar atmosphere to see if it was breathable.
B) test the intensity of cosmic radiation to see if this radiation would threaten astronauts.
C) test the solidity of the lunar surface to see if it would support a spacecraft.
D) mark a series of landing zones for the Apollo missions.
Correct Answer:

Verified
Correct Answer:
Verified
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