It's 1961, and four intrepid cosmic explorers journey to space under the leadership of Reed Richards, where they encounter cosmic rays that change them forever. But what are cosmic rays?

Cosmic rays gave the Fantastic Four their incredible powers — but what do they really do?

Source: space
Source Link: https://www.space.com/science/cosmic-rays-gave-the-fantastic-four-their-incredible-powers-but-what-do-they-really-do