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    Privacy˙Terms˙
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    light years

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    A1
    n. (c./u.)Noun (Countable/Uncountable)A unit of astronomical distance equivalent to the distance that light travels in one year.
    The star is several light years away from Earth.
    phr.PhraseA vast amount or degree; a long way.
    Technology has advanced light years in the last decade.

    Video subtitles

    Why general relativity would’ve been discovered without Einstein | Sean Carroll

    16:58Why general relativity would’ve been discovered without Einstein | Sean Carroll
    • There's no objective, true fact about when I snap my fingers now, what's happening light years away.

      There's no objective, true fact about when I snap my fingers now, what's happening light years away.

    • There's no objective true fact about when I snap my fingers now what's happening light-years away.

      There's no objective true fact about when I snap my fingers now what's happening light-years away.

    B1

    How Do We Know What Air is Like on Other Planets?

    02:43How Do We Know What Air is Like on Other Planets?
    • and HD 209458b, a Jupiter-sized exoplanet orbiting the star HD 209458, which is 154 light-years away, has an atmosphere that contains hydrogen, carbon, oxygen, sodium, carbon dioxide, methane, and

      and HD 209458b, a Jupiter-sized exoplanet orbiting the star HD 209458, which is 154 light-years away, has an atmosphere that contains hydrogen, carbon, oxygen, sodium, carbon dioxide, methane, and

    • and thus we have been able to figure out what the air is like on planets hundreds of light-years away that we can't even see.

      and thus we have been able to figure out what the air is like on planets hundreds of light-years away that we can't even see.

    B2

    Top 10 Facts - Space [Part 6]

    16:05Top 10 Facts - Space [Part 6]
    • That's a planet, an exoplanet orbiting a star 97 light-years away.

      That's a planet, an exoplanet orbiting a star 97 light-years away.

    • You see this tiny red dot. That's a planet. An exoplanet orbiting a star 97 light-years

      You see this tiny red dot. That's a planet. An exoplanet orbiting a star 97 light-years

    B1

    This Is What Will Happen in the Next Billion Years

    07:44This Is What Will Happen in the Next Billion Years
    • In 500 to 600 million years, a deadly gamma-ray burst will likely occur within six and a half thousand light-years of Earth.

      In 500 to 600 million years, a deadly gamma-ray burst will likely occur within six and a half thousand light-years of Earth.

    • In 500 to 600 million years, a deadly gamma-ray burst will likely occur within 6,500 light-years of Earth.

      In 500 to 600 million years, a deadly gamma-ray burst will likely occur within 6,500 light-years of Earth.

    B1

    物理学者だけど「宇宙の神秘」について質問ある? | Tech Support | WIRED Japan

    16:21物理学者だけど「宇宙の神秘」について質問ある? | Tech Support | WIRED Japan
    • How can two particles be so connected that they affect each other even when they're light years apart?

      How can two particles be so connected that they affect each other even when they're light years apart?

    • Two particles light years apart can absolutely be connected if we've set them up in a entangled state.

      Two particles light years apart can absolutely be connected if we've set them up in a entangled state.

    B1

    HABITS to LOOK like a MODEL (even if you're not one)

    10:41HABITS to LOOK like a MODEL (even if you're not one)
    • And trust me, if you can master that part, you'll be light years ahead of all those guys who keep making the same mistake and are ruled by their impulses.

      And trust me, if you can master that part, you'll be light years ahead of all those guys who keep making the same mistake and are ruled by their impulses.

    • And trust me, if you can master that part, you'll be light years ahead of all those guys who keep making the same mistake and are ruled by their impulses.

      And trust me, if you can master that part, you'll be light years ahead of all those guys who keep making the same mistake and are ruled by their impulses.

    B1

    5 Family Cars FASTER Than Iconic Sports Cars

    13:345 Family Cars FASTER Than Iconic Sports Cars
    • Tire technology improved light years in just a short amount of time.

      Tire technology improved light years in just a short amount of time.

    • Tire technology improved light years in just a short amount of time.

      Tire technology improved light years in just a short amount of time.

    B1

    How Big is the Universe?

    04:17How Big is the Universe?
    • So it's logical to think that the observable universe must then be 2 times 13.77 equals 27.5 billion light-years across.

      So it's logical to think that the observable universe must then be 2 times 13.77 equals 27.5 billion light-years across.

    • Today, those distant objects are a bit more than 46 billion light-years away.

      Today, those distant objects are a bit more than 46 billion light-years away.

    B2

    家有阿福 第一季第一集

    02:00家有阿福 第一季第一集
    • If she lived another 6 light years away.

      If she lived another 6 light years away.

    • I think that really was amusing; "6 light years away."

      I think that really was amusing; "6 light years away."

    B1

    Crash Course Big History: The Solar System & the Earth

    14:01Crash Course Big History: The Solar System & the Earth
    • So we're now moving from the scale of galaxies, which involve millions of light-years, to a neighborhood that's only a few light-hours from the Sun to Neptune, the farthest planet, or at most a light-year or two to the distant Oort Cloud of billions of comets held by the gravity of our Sun.

      So we're now moving from the scale of galaxies, which involve millions of light-years, to a neighborhood that's only a few light-hours from the Sun to Neptune, the farthest planet, or at most a light-year or two to the distant Oort Cloud of billions of comets held by the gravity of our Sun.

    • which involve millions of light years to a neighborhood

      which involve millions of light years to a neighborhood

    B1