2. Zimmerman details the December 1968 launch and the historic trans-lunar injection. He describes the crew’s reliance on primitive computers, requiring manual data entry for critical maneuvers. As they accelerated toward the moon, Jim Lovell observed the

2. Zimmerman details the December 1968 launch and the historic trans-lunar injection. He describes the crew’s reliance on primitive computers, requiring manual data entry for critical maneuvers. As they accelerated toward the moon, Jim Lovell observed the Earth shrinking, marking humanity's first departure from Earth orbit. (2)
1870