This graphic details the sequence of major events during the flight of Apollo 11 to the Moon and back to Earth, July 16-24, 1969. The journey begins with launch of the Saturn V from Earth (shown on the left). The trip to the Moon and the landing are depicted on the trajectory at the bottom of the graphic. Lift off from the Moon and the journey back to Earth are depicted on the trajectory at the top of the graphic.
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These checklists, log books, and charts were used by the crew members of the Apollo 11 lunar mission flight in July 1969. The alternate checklists and flight plans would have been used if there were an emergency that caused the need to deviate from the original flight plans.
The main display console faces the three crew couches in the Apollo Command Module. It contains switches, dials, and meters used to control the spacecraft and monitor its performance. Displays and controls for related sub-systems are grouped together. Flight controls are on the left half of the console, systems controls are on the right.
Apollo astronauts used three navigation systems to determine the proper flight paths to the Moon and back to Earth. These systems were used jointly or separately. Together they formed the Primary Guidance and Navigation System.
The inertial guidance system included accelerometers that sensed every change in the spacecraft's velocity or direction. An onboard computer received data pertaining to the flight plan from the inertial system and from ground tracking stations on Earth. In addition, the astronauts could give the computer new information while in flight.
An optical navigation system consisted of a scanning telescope and a sextant. With these instruments the astronauts could take star sights and plot the position of their spacecraft. All guidance and navigation information was transmitted to Earth-based computers that calculated any necessary course or velocity changes.
This station includes a digital computer that stores data and provides solutions to guidance and navigation problems. The right side of the computer faced into the command module. It contains the eyepieces of the scanning telescope and the sextant and, at the far right, the display and keyboard panel which was used to enter information and display answers. The back of the station connected to the Command Module's systems. Charles Stark Draper Laboratory at Massachusetts Institute of Technology, Cambridge, Massachusetts developed the Apollo Command Module Computer.