how long is a light year travel
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Interstellar travel Because of this, distances between stars are usually expressed in light-years, defined as the distance that a ray of light travels in a year. Light in a vacuum travels around 300,000 kilometers (186,000 miles) per second, so this is some 9.46 trillion kilometers (5.87 trillion miles) or 63,241 AU in a year.
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1 light year is equal to how many years of the Earth? A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances. It is approximately 9 trillion kilometres (or about 6 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. Because it includes the word year, the term light-year is sometimes misinterpreted as a unit of time.
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How long does it take to travel a light year? So.. 1 kilometer = 0.621371192 miles so since 186,282.397 mi. = 299.337 km per second, multiply 299.337 by 360 to get how many kilometers per hour light travels which is 107761.32 km per hour. Then, since there are 8,765.813 hours in a year, light travels a total of 944615579.75316 km per year. 50,000km/h X 8765.813 = 438290650 km per year So you're looking at roughly two years.
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- In any case, it’s clear a light-year is a vast expanse. Over a year, light travels 5.87849981 x 10 12 miles (roughly 9.4605284 x 10 12 kilometers.) Written out, that’s 5,878,499,810,000 miles or 9,460,528,400,000 kilometers.
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- One lightyear means distance travelled by light in one year. How do scientists measure that something is 10 lightyear away or even more furthur. cause it take 10 year for light to travel so much.
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- Multiply the number of seconds in one year by the number of kilometers (or miles) that light travels in one second, and there you have it: one light-year. It’s about 9.5 trillion kilometers (5.88 trillion miles).
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- A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances.It is approximately 9 trillion kilometres (or about 6 trillion miles).efinitions [edit]. As defined by the IAU, the light-year is the product of the Julian year (365.25 days as opposed to the 365.2425-day Gregorian year) and the speed of light (7008299792458000000♠299792458 m/s). Both these values are included in the IAU (1976) System of Astronomical Constants, used since 1984.
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- A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances. It is approximately 9 trillion kilometres (or about 6 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. Because it includes the word year, the term light-year is sometimes misinterpreted as a unit of time.t is approximately 9 trillion kilometres (or about 6 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.
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- This post brings the scale of light-years down to the scale of miles and kilometers. 1  The large yellow shell depicts a light-year; the smaller yellow shell depicts a light-month. 2  A light beam takes 8 minutes to travel the 93 million miles (150 million km) from the sun to the Earth.
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Chapter 1 A. alight year is about 10 trillion km. B. the Milky Way Galaxy is about 100,000 light-years in diameter. C. it will take me light-years to complete this homework assignment D. its about 4 light-years from here to Alpha Centauri E. it will take the Voyage spacecraft about 20,000 years to travel just 1 light year.
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Light Year Distance Calculator A light year is a measurement of distance. This distance is measured by how far light can travel in a year. Light travels at approximately 186,000 miles per second. In one year (365.25 days) that is equivalent to 5,869,713,600,000 miles. Example: How far does light travel in 3 months. 3 months is 1/4 year.
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"Why in astronomy is distance measured in light ""years""?" One light year is the distance which the light will travel in one year (speed of light in 299,752,458 m/s))). Distance is also measured in parsec (1 parsec = 3.26 light years: the distance at which one astronomical unit subtends an angle of one second of arc).
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Convert gigaparsec to light years - Conversion of Measurement Units A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). More specifically, a light year is defined as the distance that a photon would travel, in free space and infinitely far away from any gravitational or magnetic fields, in one Julian year (365.25 days of 86400 seconds each).
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How long will it take to travel a light year? If traveling at the speed of light, it will take 17,000 years to  travel 17,000 light years. One light year is about  5,865,696,000,000 miles.
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How long does light take to travel a distance of one light-year? in years? From a stationary perspective, the answer is obviously one year. By definition, a light year is the distance light travels in one year. However, as one approaches the speed of light, time slows down for that person. In other words, if you were traveling very close to the speed of light, years would pass in the Universe outside your spaceship while seeming like a much shorter period of time to you.
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How Far Does Light Travel in a Year? As already noted, the speed of light (expressed in meters per second) means that light travels a distance of 9,460,528,000,000 km (or 5,878,499,817,000 miles) in a single year. This distance is known as a “light year”, and is used to measure objects in the Universe that are at a considerable distances from us.
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What is a light year? No one wants to write or talk about numbers that have 20 digits in them! ­So to measure really long distances, people use a unit called a light year. Light travels at 186,000 miles per second (300,000 kilometers per second). Therefore, a light second is 186,000 miles (300,000 kilometers).
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What is a light year? A light year is a measure of distance, or the distance a particle of light will travel through a pure vacuum in one Earth year. This distance is approximately 5.8785 x 1012 [5.87 trillion] miles, or 9.4605 x 1012 [9.46 trillion] kilometers.n one year, light can travel about 10 trillion km. One light-year is equal to 9,500,000,000,000 kilometers. A light year is the distance covered by light in one year travelling at 186,000 miles per second.
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How fast is a light year ? Asking 'how fast is a light year' is like asking 'how fast is a mile?'  …  In a vacuum, light travels about 186,000 miles in one second. The moon is roughly 240,000 miles away, for comparison. So in one second, light from earth would make it most of the way to the moon!
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- 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. It’s about 5.88 trillion miles (9.5 trillion km).
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- When you ask such a question in relation to a light year both meanings are important! A light year is the distance between two points in space that it would take light to travel when the distance between the two points in time are one year. So, leti¿letï ½s (see!) pun what this would. Be light travels 186,000 186000 miles every! Second that is a huge! number
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- So light travels 5,869,713,600,000 miles in a year  In four years it would travel 23,478,854,400,000 miles.   It would take the Space shuttle traveling an average of 18,000 mph 1,304,380,800 hours to reach that distance, which is 54,349,200 days or 148,800 years. 2 people found this useful. 4 Jays.
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High School Earth Science/Telescopes A light-year is a unit of distance that is defined as the distance that light travels in one year. One light-year is approximately equal to 9,500,000,000,000 (9.5 trillion) kilometers, or 5,900,000,000,000 (5.9 trillion) miles.
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- a light year is the distance light will travel in a year which is a long long way light travels 186000 miles a second 300000 kilometers per second so a light second is 186000 miles 300000 kilometers so some quick multiplication gives us one light year as 5878500000000 miles
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Light-year It takes 8.3 minutes for light to travel from the Sun to the Earth (a distance of 1.58 × 10-5 light-years). The most distant space probe, Voyager 1, was 13 light hours (only 1.5 × 10-3 light years) away from Earth in September 2004. It took Voyager 27 years to cover that distance.
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How long would it take to travel a light year? A light-year is the distance that light travels in one year. the speed of light is 299,792,458 metres per second which is about 371 million mph Alpha Centtauri is 4.37 light years away so if you were to travel at the speed of light it would take you 4.37 years to get there from earth. light travels 3,249,960,000,000 miles per year The fastest man ...