How far is a light year?
A light year is the distance that light can travel in a year, or: 186,000 miles/second.
Answered
by Kevin G.
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Older Answers
Light travels at 186,000 miles/second. A light year is the distance that light can travel in a year: 5,865,696,000,000 miles
Answered -
A light year is about 6 trillion miles. The space shuttle at top speed 17,000 mph would take about 40000 years to go 1 light year
Answered by Stephen L. -
A light year is 6 billion miles. Keep ChaCha-ing!
Answered by Devinn C. -
A light-year is the distance starlight travels in a single year. Light travels at 186,000 miles a second. ChaCha.
Answered by Karen H. -
A light year is 5,865,696,000,000 miles (9,460,800,000,000 kilometers). That's a long way! Thanks for using ChaCha!
Answered by Randi D. -
Light moves at a velocity of about 300,000 kilometers (km) each second. One light-year is equal to 9,500,000,000,000 kilometers.
Answered by Joseph Z. -
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How far away would something have to be, to be 1 light year away?
Very far away! One light year is the equivalent of 5.879 tril...
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Is light year distance or time?
Light year (n) is the distance that light travels in a vacuum...
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Why do scientists use 32.3 light years when measuring absolute magnitude?
A star at 10 parsecs (32.6 light years) distance from us, the...
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How long would it take to travel 20.3 light years and whats the speed of light?
At light speed, which is 299,792,458 miles per second, it wou...
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How many miles is 93,000,000,000 light years?
When you convert 93 billion ly (light years) to miles, the re...
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How far away would something have to be, to be 1 light year away?
Very far away! One light year is the equivalent of 5.879 tril...
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Is light year distance or time?
Light year (n) is the distance that light travels in a vacuum...
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You can calculate a light year by multiplying the speed of li...
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How long will it take the light from a star 431 light years away to reach Earth?
It would take 431 years for a stars light to reach earth if i...
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How far is 40 light years in miles?
40 light years is equal to 235145014927300 miles. One light y...
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How many kilometers is a light-year?
1 Light Year = 9,460,000,000,000 Kilometers! ChaCha for now!
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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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What is a light year used to measure?
Astronomers use light-years in order to measure distance. Any...
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How many light years away in Spica?
Spica, the brightest star in the constellation Virgo, and the...
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Why do scientists use 32.3 light years when measuring absolute magnitude?
A star at 10 parsecs (32.6 light years) distance from us, the...
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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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How far does light travel in year?
It takes 4 years for light from the nearest star (Alpha Centa...
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What is the distance in one light year in miles?
A light year is 5,865,696,000,000 miles (9,460,800,000,000 ki...
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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 year of jeep wrangler has square headlights?
There are many years in which the Wrangler has square headlig...
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A light-year is a unit of length, equal to just under 10 tril...
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How far does light travel in 1 year?
How far does light travel in a year? Light moves incredibly f...
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What year was the l.e.d. light invented?
Introduced as a practical electronic component in 1962, early...
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How far does a light year travel in one year?
Light travels at 186,000 miles per second. Therefore, a light...
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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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