ALT Neil Armstrong's Apollo spacesuit, positioned upright on a moon-like surface within an exhibit. Next to the suit, a wall features the quote: "That's one small step for man, one giant leap for mankind.

ALT Astronaut Buzz Aldrin takes his first step onto the surface of the Moon.

ALT A bootprint on the Moon, made by American astronaut Buzz Aldrin during the Apollo 11 mission. The Moon's bumpy, gray surface stands out in sharp detail in this photo, as does the print, which is oval-shaped with thick lines running across its tread.

ALT Cover of The Moon, an interactive web documentary produced by ESA Directorate of Human and Robotic Exploration.

ALT A view of the Dorothy Vaughan Center in Honor of the Women of Apollo building at NASA's Johnson Space Center in Houston. Credit: NASA/David DeHoyos

ALT Women of Apollo pose with NASA panelists during the "Dorothy Vaughan Center in Honor of the Women of Apollo" celebration in the Teague auditorium at NASA's Johnson Space Center in Houston. Credit: NASA/Robert Markowitz

ALT A member of Dorothy Vaughan's family participates in a ribbon cutting ceremony for the newly named Building 12 at NASA's Johnson Space Center. Credit: NASA/David DeHoyos

ALT A portrait of Dorothy Vaughan, a mathematician, computer programmer, and NASA’s first Black manager. Credit: NASA