The program was named after him for several reasons:

* Apollo's association with light: The program was focused on reaching the sun, and Apollo was associated with the sun and light.

* Apollo's association with knowledge: The program was a major scientific endeavor, and Apollo was associated with knowledge and learning.

* Apollo's association with music and poetry: The program was a source of great inspiration and excitement, and Apollo was associated with artistic creativity.

While Apollo is often depicted as a god of light, his association with knowledge, music, and poetry played a significant role in the name choice.