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  1. en.wikipedia.org › wiki › Light-yearLight-year - Wikipedia

    A light-year, alternatively spelled light year (ly), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 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 vacuum in one Julian ...

  2. es.wikipedia.org › wiki › LightyearLightyear - Wikipedia, la enciclopedia libre

    Lightyear es una película estadounidense de comedia y aventura animada producida por Pixar Animation Studios y Walt Disney Pictures, estrenada en Estados Unidos el 17 de junio de 2022.

    • Paul Conrad, Maria Lee, Matt Norte, Greg Peltz, Garrett Taylor
    • Galyn Susman

  3. spaceplace.nasa.gov › light-year › enWhat Is a Light-Year? | NASA Space Place – NASA Science for Kids

    Hace 4 días · For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km). That is a 6 with 12 zeros behind it!

  4. www.wikiwand.com › en › Light-yearLight-year - Wikiwand

    A light-year, alternatively spelled light year (ly), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 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 vacuum in one Julian year.

  5. spaceplace.nasa.gov › light-year › spWhat Is a Light-Year? | NASA Space Place – NASA Science for Kids

    17 de abr. de 2024 · A light-year is the distance light travels in one Earth year. Learn about how we use light-years to measure the distance of objects in space.

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  7. www.britannica.com › science › light-yearLight-year | Distance, Measurement, Time | Britannica

    6 de mar. de 2024 · 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). A light-year equals about 9.46073 × 1012 km (5.87863 × 1012 miles), or 63,241 astronomical units. About 3.262.