Travelling faster than light is impossible. Here's why, and how science fiction gets around the problem
Space is… big. Any story that involves characters traversing it needs to come up with a way to address the vast distances between galaxies.
There are a few ways that sci-fi writers get around this problem of moving their protagonists from one point in space to another, including teleportation, wormholes and faster-than-light travel.
Travelling at the speed of light – around 300,000km (186,000 miles) per second – would allow you to circumnavigate Earth 7.5 times in a single second and get you to the surface of the Sun in a little over 8 minutes.

