You have asked the following question what is a light year
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Answers

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  • A Light Year is the Distance that Light can travel in a Year or [6]
  • Calculations are approximately done the Distance traveled by Light in a Year is 9 trillion km 9.461e 12 [10]
  • A light-year is the Distance a beam of Light travels in a single earth Year or 6 trillion miles 9.7 trillion kilometers . [2]
  • 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 [3]
  • A Light Year is 5 865 696 000 000 miles 9 460 800 000 000 kilometers [6]
  • A Light Year is a way of measuring Distance [6]
  • Year is a measurement of time and a Light Year is a measurement of length [10]
  • A light-year is the Distance Light travels in one earth Year [1]
  • A light-year is the Distance Light travels in one Year [7]
  • A light-year is the Distance a beam of Light travels in a vacuum in one Year [9]
  • Light travels at 300 000 kilometers per second and the Distance it travels in a single Year is 9 460 730 472 580.8 kilometers [10]
  • In reverse if it took us 40 Years to travel the Distance 1 Light Year is then our rocket power can travel 1 40th of the speed of Light [10]
  • So one Light Year is equal to 9.4608Γ—10 12 km [10]
  • Now to answer your question Light Year is used for measuring distances though the term is misleading [10]
  • Question 1 Light Year is equal to how many Years of the earth [10]




More detailed answers below ...


Light travels


  • A light-year is the Distance a beam of Light Travels in a single Earth Year or 6 trillion Miles 9.7 trillion kilometers . [2]
  • 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 [3]
  • A light-year is the Distance Light Travels in One Earth Year [1]
  • A light-year is the Distance Light Travels in One Year [7]
  • A light-year is the Distance a beam of Light Travels in a vacuum in One Year [9]
  • At 300 000 kilometers per second and the Distance it Travels in a single Year is 9 460 730 472 580.8 kilometers [10]
  • Light Year is nothing but the Distance that the Light Travels in One Year [10]
  • Approximately One foot in a nanosecond the term light-foot is sometimes used as an informal measure of Time [3]
  • A light-second is the Distance Light Travels in One second or 7.5 times the Distance around earth’s equator [7]
  • In a vacuum Light Travels at 670 616 629 mph 1 079 252 849 km h [2]
  • At a speed of 186 000 Miles or 300 000 km per second [1]

Light is


  • Unlike the speed of your car when running errands the speed of Light Is constant throughout the universe and Is known to high precision [2]
  • The fastest-moving stuff in the universe [7]

Light it


  • If we had a spaceship that can travel the speed of Light It will take us 1 Year to travel 1 Light Year [10]
  • Because of the finite speed of Light It can take more than 20 minutes to send a signal to the curiosity rover on mars [2]

Light years


  • Let's say that a star is 1 million Light Years away [6]
  • If we aimed a telescope at a planet that was Light Years away and it hit a mirror aimed perfectly at Earth could we see into our past [10]
  • Abbreviations used for Light Years and multiples of Light Years are [3]
  • Even so Light Years measure Distance [6]
  • There are 33 stars within 12.5 Light Years of our sun [7]

Light second


  • Therefore a Light Second is 186 000 Miles 300 000 kilometers [6]
  • We simply say it is 1.2 Light Second away [10]

Year is


  • A Light Year Is the Distance that Light can travel in a Year or [6]
  • Calculations are approximately done the Distance traveled by Light in a Year Is 9 trillion km 9.461e 12 [10]
  • A light-year Is the Distance a beam of Light travels in a single Earth Year or 6 trillion Miles 9.7 trillion kilometers . [2]
  • 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 [3]
  • A Light Year Is 5 865 696 000 000 Miles 9 460 800 000 000 kilometers [6]
  • A Light Year Is a way of measuring Distance [6]
  • A measurement of Time and a Light a measurement of length [10]
  • A light-year Is the Distance Light travels in One Earth Year [1]
  • A light-year Is the Distance Light travels in One Year [7]
  • A light-year Is the Distance a beam of Light travels in a vacuum in One Year [9]
  • Light travels at 300 000 kilometers per second and the Distance it travels in a single Year Is 9 460 730 472 580.8 kilometers [10]

Year as


  • Using a Light Year As a Distance measurement has another advantage -- it helps you determine age [6]
  • In 1868 an english journal labelled the light-year As a unit used by the germans [3]

Videos


Relevant Images

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what is a light yearsource:https://cdn.mos.cms.futurecdn.net/4vt6ZY5nzGECaFA5zbJFeE-1200-80.jpg

what is a light yearsource:https://upload.wikimedia.org/wikipedia/commons/d/d3/12lightyears.gif




References

  1. https://spaceplace.nasa.gov/light-year/en/
  2. https://www.space.com/light-year.html
  3. https://en.wikipedia.org/wiki/Light-year
  4. https://www.youtube.com/watch?v=ewGsiUPeBD4
  5. https://starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.html
  6. https://science.howstuffworks.com/dictionary/astronomy-terms/question94.htm
  7. https://earthsky.org/astronomy-essentials/how-far-is-a-light-year
  8. https://www.merriam-webster.com/dictionary/light-year
  9. https://www.nbcnews.com/mach/science/what-light-year-ncna931656
  10. https://www.quora.com/1-light-year-is-equal-to-how-many-years-of-the-Earth

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