The concept of time dilation is indeed a consequence of the theory of relativity. According to special relativity, as an object approaches the speed of light, time dilation occurs, meaning that time appears to slow down for the moving object relative to a stationary observer.
In the case of a photon, which travels at the speed of light, time dilation becomes infinite. From the perspective of a photon, it does not experience the passage of time. This is because, according to relativity, time stops for an object moving at the speed of light.
However, it's important to note that the concept of a photon's perspective or experience is not directly applicable, as photons are massless particles and do not possess consciousness or self-awareness. Time dilation is a mathematical consequence of the theory of relativity when considering the behavior of objects moving relative to one another.
From the perspective of an observer, photons indeed travel at the speed of light and cover vast distances in seemingly no time. But it is crucial to understand that this does not violate the principle that the speed of light is the ultimate speed limit in our universe.
The concept of time dilation and the speed limit of light are intricate aspects of relativity that challenge our everyday intuitions about time and space. They are fundamental principles that have been extensively tested and supported by empirical evidence.