HOW FAR AWAY IS A LIGHT YEAR?
A light year is simply a unit of distance, equal to (one year)*(speed of light). In meters, this works out to 9.5*10^15 m (around 10 quadrillion meters). In miles, it is 5.9*10^12 mi (around 6 trillion miles).
distance light can travel over a year
The distance it takes light to travel a year. light = 3x10^8 m/s 1 year = 60s x 60m x 24h x 365.24d = 31,556,736s 31,556,736s x 3x10^8 m/s = 9.467 x 10^15 m
As far as your mom is fat.
