"The Wizard of Oz" and space exploration are two topics that by all rights should have nothing in common. But as it turns out, if you follow the Yellow Brick Road long enough you reach the moon.

The not so 'wicked' path from 'The Wizard of Oz' to the moon landing

Source: space
Source Link: https://www.space.com/not-so-wicked-wizard-of-oz-moon-for-all-mankind