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A Light-Year Is Used For Measuring What?

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An old-school alarm clock
Retry Correct Incorrect Put on your science caps because we’re getting astronomical. A “light-year” refers to the distance that light travels in one year in the vacuum of outer space—an astonishing 5.8 trillion miles. Better start walking!
Photo Credit: insung yoon / Unsplash
Photo Credit: insung yoon / Unsplash

A Light-Year Is Used For Measuring What?

  • The number of hours in a year
  • The distance sound travels in vacuum in one year
  • The distance light travels in vacuum in one year
  • The speed at which a person moves when there’s food nearby
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