system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How is it possible for something moving the speed of light to experience no time.

I was recently listening to star talk and Neil deGrasse Tyson noted that light is simultaneously at its starting point and its destination because something moving the speed of light experiences no time.  I can't really get my head around this.  We can measure the fact that it takes light 8 minutes to get from the Sun to the Earth.  How can that 8 minutes be different from the perspective of the light?  I would assume (wrongly I suppose) that increasing speed only changes the distance you travel in an amount of time and shouldn't change how much time you feel like that takes.
gpt
The concept at play here is called Special Relativity; it's one of Einstein's greatest achievements.

The ELI5 is that time slows down for *all* moving objects.  You don't notice this on a day to day basis because you're moving *really* slowly; you need to be moving at a nontrivial fraction of the speed of light for the effects to become noticeable.

But, for example, if you were to get in a spaceship and go at .99 times the speed of light and take a 1 lightyear trip that ended up back at Earth, we on Earth would have to wait a year for you to return, but it would only seem like about two months to you on the ship.