10 More Changes That Star Trek Hoped You Wouldn't Notice

The number of moons orbiting the Vulcan homeworld has been the source of a lot of debate. In the Original Series episode The Man Trap, Uhura said to Spock, 'Tell me how your planet, Vulcan, looks on a lazy evening when the moon is full.' Spock responded logically that 'Vulcan has no moon.'

This statement has been ignored several times throughout Trek. First, a large moon-like object appeared in the Vulcan sky in the Animated Series episode Yesteryear, then, in the original cut of The Motion Picture, two were visible. Decades later, a moon was seen beside Vulcan (or Ni'Var, as it was now named), in the Discovery episode Unification III.

Some fans theorise that the objects we saw weren't moons, but actually small neighbouring planetoids that periodically pass near Vulcan. This is a bit of a reach, though. It seems more likely that the effects artists just thought that the moons would look cool.