Leaving Earth Orbit

Spacecraft in earth orbit
Figure 1. The Apollo spacecraft in its parking orbit. The blue arrow is the spacecraft's velocity vector.
Reignition of the third stage
Figure 2. Reignition of the third stage engine puts the spacecraft on a course for the moon.
3rd stage fly-around
Figure 3. Flying around the third stage following insertion into a lunar trajectory.
On course for the moon
Figure 4. The spacecraft on a course to intercept the moon, just visible at the top of the picture.