* Light-hours are a vast distance. A light-hour is the distance light travels in one hour, which is approximately 186,282 miles per second.
* Planets in our solar system are much closer to the Sun. The furthest planet from the Sun is Neptune, which is about 4.3 light-hours away.
* Other star systems are much further away. Even the closest star systems to our own are many light-years away, meaning light takes years to travel between them.
It's possible you're thinking of something else. Do you have any other information about the object you're interested in?
