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    https://en.wikipedia.org/wiki/Light-year

    Light-year - Wikipedia

    • A light-year, alternatively spelled light year (ly or lyr ), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km (Scientific notation: 9.4607304725808 × 10 km), which is approximately 5.88 trillion mi. As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in a vacuu… See more

    Definitions

    As defined by the International Astronomical Union (IAU), the light-year is the product of the Julian year (365.25 days, as opposed to the 365.2425-day Gregorian year or the 365.24219-day Tropical year that both approximat… See more

    History

    The light-year unit appeared a few years after the first successful measurement of the distance to a star other than the Sun, by Friedrich Bessel in 1838. The star was 61 Cygni, and he used a 160-millimetre (6.2 in) heliometre designed … See more

    Usage of term

    Distances expressed in light-years include those between stars in the same general area, such as those belonging to the same spiral arm or globular cluster. Galaxies themselves span from a few thousand to a few hundre… See more

    Related units

    Distances between objects within a star system tend to be small fractions of a light-year, and are usually expressed in astronomical units. However, smaller units of length can similarly be formed usefully by multiplying … See more

    See also

    • 1 petametre (examples of distances on the order of one light-year)
    • Einstein protocol
    • Hubble length
    • Orders of magnitude (length)… See more

    External links

    • The dictionary definition of light-year at Wiktionary See more

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  2. A light-year, alternatively spelled light year, is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers (9.46 × 1012 km), or 5.88 trillion miles (5.88 × 1012 mi). [note 1] As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year (365.25 days).

    Light-year - Wikipedia

    en.wikipedia.org/wiki/Light-year
    A light-year is the distance that light travels through a vacuum in one year.

    Light year (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Light_year_(disambiguation)
     
  3. People also ask
    What is a light year?
    As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year (365.25 days). [ 2] Because it includes the word "year", the term is sometimes misinterpreted as a unit of time. [ 4]

    Light-year - Wikipedia

    en.wikipedia.org
    What is a light-year in astronomy?
    They write new content and verify and edit content received from contributors. light-year, in astronomy, the distance traveled by light moving in a vacuum in the course of one year, at its accepted velocity of 299,792,458 metres per second (186,282 miles per second).

    Light-year | Distance, Measurement, Time | Britannica

    britannica.com
    Is Lightyear based on a true story?
    The film is a spin-offof the Toy Storyfilm series, but does not take place in the same fictional universeas they do; rather, it is presented as a film that characters in the main Toy Storyfilms have seen. Lightyearcenters on the character Buzz Lightyear, who in this film is human and not a toy.

    Lightyear (film) - Wikipedia

    en.wikipedia.org
    Who are Light Years?
    Light Years are an American pop punk band from Kent, Ohio . They formed in the year 2009 and have since released one full-length album and three EPs. In winter 2011–2012, the band went on a full U.S. tour with Pentimento.

    Light Years (band) - Wikipedia

    en.wikipedia.org
    What happened to Lightyear 0?
    In January 2023, Lightyear announced that it was halting production of the 0 model, and that Atlas Technologies B.V., the subsidiary responsible for the manufacture of the Lightyear 0, would be allowed to go bankrupt. After a restart and new investments the manufacturer is now focusing on a more affordable model, Lightyear 2. [ 5]

    Lightyear 0 - Wikipedia

    en.wikipedia.org
    When does Lightyear come out?
    [edit] Lightyearpremiered at the El Capitan Theatrein Hollywood, Los Angeles, on June 8, 2022,and was theatrically released in the United States on June 17, 2022,by Walt Disney Studios Motion Picturesin RealD 3D, 4DX, Dolby Cinema, and IMAX formats.

    Lightyear (film) - Wikipedia

    en.wikipedia.org
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  4. Wikipedia
    https://en.wikipedia.org/wiki/Lightyear_…

    Lightyear (film) - Wikipedia

    WEBThe film is a spin-off of the Toy Story film series, but does not take place in the same fictional universe as they do; rather, it is presented as a film …

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    • Wikipedia
      https://simple.wikipedia.org/wiki/Light_year

      Light year - Simple English Wikipedia, the free encyclopedia

    • Wikipedia
      https://en.wikipedia.org/wiki/Light_year_(disambiguation)

      Light year (disambiguation) - Wikipedia

    • EarthSky
      https://earthsky.org/space/what-is-a-lig…

      What is a light year? Find out. | Sky Archive - EarthSky

      WEBFeb 20, 2013 — A light-year is the distance light travels in one year, about 6 trillion miles. Learn how astronomers use light-years to measure cosmic distances and how light speed affects our view of the universe.

    • fandom.com
      https://pixar.fandom.com/wiki/Lightyear

      Lightyear | Pixar Wiki | Fandom

      WEBLightyear is an American 3D computer-animated film produced by Pixar which was released exclusively in theaters on June 17, 2022. The film, a spin-off of the Toy Story series, tells the origins of the human, Buzz …

    • IMDb
      https://www.imdb.com/title/tt10298810

      Lightyear (2022) - IMDb

      WEBLightyear: Directed by Angus MacLane. With Chris Evans, Keke Palmer, Peter Sohn, Taika Waititi. While spending years attempting to return home, marooned Space Ranger Buzz Lightyear encounters an army of ruthless …

    • NASA Space Place
      https://spaceplace.nasa.gov/light-year/en

      What Is a Light-Year? | NASA Space Place – NASA …

      WEBAug 21, 2024 — A light-year is the distance light travels in one Earth year, about 6 trillion miles. Learn how we use light-years to measure the distance of objects in space and how they relate to time and space.

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    • fandom.com
      https://disney.fandom.com/wiki/Lightyear

      Lightyear | Disney Wiki | Fandom

      WEBThe definitive origin story of Buzz Lightyear, the hero who inspired the toy, Lightyear follows the legendary Space Ranger after he is marooned on a hostile planet 4.2 million light-years from Earth alongside his …

    • Pixar Animation Studios
      https://www.pixar.com/lightyear

      Pixar Animation Studios

    • Space.com
      https://www.space.com/light-year.html

      What is a light-year? | Space

      WEBDec 22, 2021 — A light-year is a measure of astronomical distance: Light travels through a vacuum at precisely 983,571,056 feet (299,792,458 meters) per second, making a light-year approximately 6 trillion...

    • Science Mission Directorate
      https://science.nasa.gov/exoplanets/what-is-a-light-year

      What is a light-year? - Science@NASA

    • Britannica
      https://www.britannica.com/science/light-year

      Light-year | Distance, Measurement, Time | Britannica

    • Disney News
      https://news.disney.com/lightyear-origin

      Lightyear Is the Long-Awaited Origin Film Redefining Time and …

    • Wikipedia
      https://en.wikipedia.org/wiki/2000_Light_Years_from_Home

      2000 Light Years from Home - Wikipedia

    • Polygon
      https://www.polygon.com/reviews/23166374/lightyear...

      Lightyear review: an ambitious sci-fi movie with a familiar Pixar ...

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      https://news.disney.com/lightyear-sci-fi

      Lightyear Is Disney and Pixar's Most Stellar Sci-Fi Film Yet

    • Wikipedia
      https://en.wikipedia.org/wiki/Buzz_Lightyear

      Buzz Lightyear - Wikipedia

    • Wiktionary
      https://en.wiktionary.org/wiki/light_year

      light year - Wiktionary, the free dictionary

    • Wikiwand
      https://www.wikiwand.com/en/articles/Light-year

      Light-year - Wikiwand articles

    • Art Gallery of Ontario
      https://ago.ca/exhibitions/light-years-phil-lind-gift

      Light Years: The Phil Lind Gift | Art Gallery of Ontario

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      https://www.nbcolympics.com/news/grace-nuhfer...

      Grace Nuhfer is missing the first two weeks of her senior year of ...

    • Wikipedia
      https://en.wikipedia.org/wiki/Lightyear_0

      Lightyear 0 - Wikipedia

    • Wikipedia
      https://en.wikipedia.org/wiki/Light

      Light - Wikipedia

    • Wikipedia
      https://en.wikipedia.org/wiki/Light_Years_(band)

      Light Years (band) - Wikipedia