How many miles is a light year?
A light-year is a unit of length, equal to just under 10 trillion kilometres. A light-year is the distance that light travels in a vacuum in one Julian year. One light-year is equal to 5,878,625,373,183.608 miles (about 6 trillion miles) or 9,460,730,472,580.8 km. It would take 37,200 years to travel one light year. ChaCha on!!
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Older Answers
1 lightyear is 5,878,499,814,186.5 miles. Wow! Thanks for using ChaCha!
Answered by Alison B. -
1 light year = 5,878,499,814,186.5 miles. What else can we help you with today? Thanks for asking ChaCha!
Answered by Jennifer R. -
How many miles is a light year? A light year is 5,865,696,000,000 miles. Thank you for using CHACHA
Answered by Michael L. -
A light year is 5,865,696,000,000 miles the distance light travels in one year. ChaCha.
Answered by Jalayne F. -
A light year is 5,865,696,000,000 miles (9,460,800,000,000 kilometers). That's a long way! Got a question? ChaCha again!
Answered by Nicole C. -
Light travels around 186,000 miles per second. That makes a light year roughly 5,865,696,000,000 miles. Thanks for using ChaCha!
Answered by Linda T. -
1 lightyear is equal to 5,878,499,814,186.5 miles. Cha Cha again soon! We're here for you 24/7!
Answered by Catherine M. -
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How long does it take a Spacecraft to travel one light year?
What type of spacecraft are you referring to? If using a spac...
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How long does it take to travel a light year?
A light-year is a unit of length, equal to just under 10 tril...
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How many kilometers from Earth is a star that is 15 light years away from Earth?
There are approximately 10 trillion kilometers in a light yea...
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A light year measures the distance light can travel in one ye...
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What is the unit for light years?
A light-year is a unit of distance. One light-year is equal t...
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Why do astronomers use light years to measure distances in space?
Distances in outer space are so vast that the kilometer or mi...
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What are light years used to measure?
A light year is a way of measuring distance in space.A light ...
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A light-year is a unit of length, equal to just under 10 tril...
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What is the difference between a light year and an astronomical unit?
A light year is the distance traversed by light in one mean s...
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What is the unit for light years?
A light-year is a unit of distance. One light-year is equal t...
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Why do scientists use light years?
A light year or light year is a unit of length equal to just ...
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A light year measures the distance light can travel in one ye...
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A light-year is a unit of length, equal to just under 10 tril...
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What is the difference between a leap year and a light year?
The mean solar year was maintained by the intercalation of a ...
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How many days, years, and months are in a light year?
A light year is measured in distance. There are 9,460,550,000...
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How much is a light year in seconds?
To measure really long distances, people use a unit called li...
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How many years are there in a light year?
A light-year is equal to about 6 trillion (6,000,000,000,000)...
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What does one light year equal?
A light year is equal to 5,865,696,000,000 miles. That's a lo...
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1 light year is the equivalent of 6 trillion miles. 600 light...
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Why do astronomers use light years to measure distances in space?
Distances in outer space are so vast that the kilometer or mi...
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What does a light year measure in?
A light year is the distance traversed by light in one mean s...
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What is a light year a measure of?
The light-year is often used to measure distances to stars.
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A light year is the distance light travels in one year, which...
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How much is a light year in seconds?
To measure really long distances, people use a unit called li...
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How many light years wide is the milky way?
Our galaxy is a spiral galaxy which measures about 100,000 li...
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How much is a light year in seconds?
To measure really long distances, people use a unit called li...
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How many miles does light travel in a year?
A light year is the distance that light travels within a sing...
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How far can light travel in a year?
A light year is the distance light travels in a year, about n...
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How many light years away is the nearest livable planet?
Mars is roughly 4 minutes away on average, in terms of light ...
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How many kilometers is equal to the distance light would travel in one year?
One light year is the equivalent of 9,460,528,405,000 kilomet...
About light year
A light year is a unit of length equal to about six trillion miles (5,878,625,373,183.608 miles to be exact). A light year is the distance that light can travel in a year. A light year is often used to measure things on a galactic scale, like the distance between stars.
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