What is a light year?
A light year is the distance traversed by light in one mean solar year, about 5.88 trillion mi.
Answered
by Joshua L.
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Older Answers
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 km each second. In one year, it can travel about 10 trillion km. One light-year is equal to 9,500,000,000,000 km.
Answered by Paul Laurenz Q. -
A light-year, also light year or lightyear (symbol: ly) is a unit of length, equal to just under 10 trillion kilometers.
Answered by Emma B. -
Light year: a unit of length in astronomy equal to the distance that light travels in one year in a vacuum (5.88 trillion miles).
Answered -
1 light year = 9.4605284 × 1015 meters Have a great day and text ChaCha for more!
Answered by Matthew K. -
A light-year is the distance that light can travel in one year. 1 light-year is equal to 9,500,000,000,000 kilometers. ChaCha on!
Answered by Denise R. -
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How long does it take light to travel a distance of one light year?
A light year is defined as the distance that light travels in...
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A light year measures the distance light can travel in one ye...
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How much time does it take light to travel one light-year?
It takes light one year to travel one light year as the defin...
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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 light take to travel one light year?
In one year, light travels a distance of 5.86 trillion miles....
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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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How long does it take light to travel a distance of one light year?
A light year is defined as the distance that light travels in...
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How much time does it take light to travel one light-year?
It takes light one year to travel one light year as the defin...
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How far in miles is a light year from earth?
Light moves at a velocity of about 300,000 kilometers (km) ea...
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How many earth years is 1 light year in space?
A light year is a unit of distance, not time. A light year is...
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How many kilometers are in a light-year?
One light year is equal to 9.4605284 x 10 to the 12 kilometer...
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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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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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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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You can calculate a light year by multiplying the speed of li...
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How many year is a light year?
A light year is the distance that light travels in one year, ...
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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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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 many light years wide is the milky way?
Our galaxy is a spiral galaxy which measures about 100,000 li...
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What does a light year measure in?
A light year is the distance traversed by light in one mean s...
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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