Mathematician Katherine Johnson was also part of Nasa and helped to calculate the trajectory for the 1969 Apollo 11. She was one of a group of female African-Americans who worked at Nasa and whose ...

The Apollo 11 commander and his crewmates had already ... on the moon at the center of a gumdrop-shaped emblem with the trajectory of the mission from Earth to the moon as the hand of god.

The velocities of spacecraft in transit tend to be similar, but where Luna 1 had a direct trajectory, Apollo 11 needed a more precise lunar orbit trajectory, which accounted for the longer travel ...