It depends on where in space they are but they often travel extremely fast, upwards of 11 km per second
People who travel in space are called astronauts.
Fast enough to cause a big spolosion
yes
plasma
The best fictional way to travel through space fast without messing with time is teleportation.
They travel through space at the same speed that Saturn travels.
500 Kilometers per hour
17,500 mph
Gravitational waves travel through space at the speed of light, which is about 186,282 miles per second.
11 kilometers per second.
About 30 kilometers / second.
People who travel in space are often called astronauts.