Describe a light year to a fifth grader
user
OK! A light year is the distance light travels in a year, or approximately 9.5 trillion kilometers (or 6 trillion miles). So it’s a very long distance!
assistant
Describe a light year to a fifth grader
user
“A light year is how long light takes to travel one year. If you travel through space at the speed of light, it takes one year for you to travel one light year.”
assistant
Describe a light year to a fifth grader