Character mistake: When Koenig and Bergman finally reach his office, Martin forgets his lines briefly.
Other mistake: At Waste Area 2, as Nordstrum throws Steiner, his visor flips open.
Continuity mistake: The first time the two crew men in the moon buggy are seen, the numbers on their suits are eight and three. The next moon buggy scene, the two in the suits are numbered eight and three again at first, but when they're testing the domes, the numbers change to nine and zero.
Answer: Not necessarily - The gravitational fields of Earth and the Sun could have deflected the moon away from the solar system.
Seniram