Final answer:
Auggie's astronaut helmet was given away by his father to help him face the world without having to hide. This event is a significant moment in the novel 'Wonder' that contributes to Auggie's character development.
Step-by-step explanation:
The question revolves around Auggie's astronaut helmet in the novel Wonder by R.J. Palacio. Auggie, the protagonist, cherishes his astronaut helmet as it allows him to hide his facial differences from others. However, over the course of the story, his astronaut helmet is given away by his father in an attempt to encourage Auggie to face the world without it. Although Auggie is initially upset by this loss, he eventually comes to understand his father's intentions and grows in self-confidence.