GLOSSARY

Segregation : Imposed separation, by law or in fact, of a social group from others.

NASA : National Aeronautics and Space Administration (in French: "Administration nationale de l'aéronautique et de l'espace"), better known by its acronym NASA, is the federal agency responsible for the majority of the United States' civil space program.

Nobel Prize : The Nobel Prize, established in 1901, rewards individuals for their work in favor of humanity, through their discoveries, inventions, literary works, and actions for peace.

Trajectory : Curve described by the center of gravity (of a moving object, a projectile).

Satellites : Celestial bodies orbiting around a planet.

Equation : Formula of equality or formula making two quantities equal.

Orbital flight : Space flight where the vehicle is placed in orbit around a celestial body.

Lunar module : Space vehicle used in the American Apollo space program (1961-1972) to land men on the Moon.

Rehabilitation : Restoring rights to a person.

Pioneer : A person who is the first to embark on an enterprise, who paves the way.