## Best answer

37,200 human years

## People also ask

### How many hours would it take to travel 4 light years?

There are 6 trillion miles in a light-year (approximately), so the distance we need to go is 6 trillion miles / light-year times 4 light-years, or 24 trillion miles. So, this trip would take 1.2 billion hours.

### How long would it take to travel around the Earth?

If spacecraft traveled at the speed of a light year, it would travel the distance of one light year in one human year. If we were to travel at a speed of half a light year, it would take us 2 years. If we could travel at the speed of light, we could go around the Earth 7.5 times in one second.

### How many miles is a light year in miles?

One light-year is about 6 trillion miles (9 trillion km). How fast can we travel in space? Whats the fastest thing in the universe? Within the universe, light is the fastest things, light as no mass, things with no mass could reach light speed.

### What is a light year?

A light year is a measurement of distance that signifies how far light travels in one year. The speed of light is 186,000 miles per second or 671 million miles per hour.