What is the distance of a light year?

How can we comprehend the distances to the stars? This post explains light-years in terms of a scale of miles and kilometers. read more

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles. As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in vacuum in one Julian year (365.25 days). read more

Multiply the number of seconds in one year by the number of miles or kilometers that light travels in one second, and there you have it: one light-year. read more

A light year is the distance that light can travel in a year, or: 186,000 miles/second * 60 seconds/minute * 60 minutes/hour * 24 hours/day * 365 days/year = 5,865,696,000,000 miles/year A light year is 5,865,696,000,000 miles (9,460,800,000,000 kilometers). read more

A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. read more