IMD

Oracle

80b27e10signed

A light-year is a unit of time. Answer true or false.

Answer

false
light-year
a unit of distance, defined as the distance light travels in vacuum in one Julian year (~9.461e15 meters); it is not a unit of time
sources
, en.wikipedia.org, nasa science, what is a light-year? https://science.nasa.gov/exoplanets/what-is-a-light-year/; nasa science, basics of spaceflight: units of measure https://science.nasa.gov/learn/basics-of-space-flight/units/, nist guide for the use of the international system of units (si), and merriam-webster dictionary definition of 'light-year' as a unit of distance/length, nist guide for the use of the international system of units (si), and standard astronomy references (e.g. iau), define the light-year as a unit of length used to express astronomical distances, nist guide for the use of the international system of units (si), nist special publication 811 (definition of light-year as a unit of length); international astronomical union (iau) definition of the light-year as a unit of distance., nist guide for the use of the international system of units (si), nist special publication 811 / international astronomical union definitions of units: a light-year is classified as a unit of length/distance, used to measure astronomical distances, not a unit of time., nist guide for the use of the international system of units (sp 811) and standard astronomy references (e.g., iau) define the light-year as a unit of length/distance used to measure astronomical distances, not a unit of time, nist guide for the use of the international system of units (sp 811); iau definition of light-year as a unit of length/distance, nist guide to the si, appendix b.9 / iau definition of light-year as a unit of length, nist guide to the si, chapter 5 (physical.nist.gov) and nasa glossary both define the light-year as a unit of length/distance used for astronomical distances., nist special publication 811 (guide for the use of the international system of units), appendix b: light year is listed as a non-si unit of length/distance., nist special publication 811 / iau definition of light-year as a distance unit, nist/bipm si brochure and nasa glossary: a light-year is defined as a unit of astronomical distance, not time, nist/bipm si brochure and standard astronomy references (e.g., iau) define the light-year as a unit of length used to express astronomical distances., nist/international bureau of weights and measures (si) definition of the light-year as a unit of length; also stated in nasa and standard astronomy references (e.g., nasa glossary, encyclopaedia britannica), nist/nasa definition of light-year as a unit of astronomical distance (e.g., https://www.nasa.gov and standard astronomy references define light-year as a distance measure, not a time measure), nist/nasa definition of light-year as a unit of astronomical distance (e.g., nist special publication 811 / nasa glossary), nist/nasa definition of light-year as a unit of astronomical distance (https://www.nist.gov and https://www.nasa.gov glossary entries define light-year as a distance measure), nist/nasa definition: a light-year is a unit of distance equal to the distance light travels in one year (~9.461e15 meters), used to measure astronomical distances, not a unit of time, nist/nasa definition: a light-year measures distance, equal to about 9.461e15 meters (the distance light travels in one year), not a duration, nist/nasa/standard physics reference definition of light-year as a distance unit, science.nasa.gov, spaceplace.nasa.gov, www.grc.nasa.gov, www.nist.gov

Work

  1. Pinnedblocks 26,083,605 to 26,083,905 to on Ethereum mainnet
  2. Answered76 of 76 agreed70 needed
    #1464falseNIST/International Bureau of Weights and Measures (SI) definition of the light-year as a unit of length; also stated in NASA and standard astronomy references (e.g., NASA glossary, Encyclopaedia Britannica)
    #470falseNIST Guide for the Use of the International System of Units (SP 811) and standard astronomy references (e.g., IAU) define the light-year as a unit of length/distance used to measure astronomical distances, not a unit of time
    #729falsefrom www.nist.gov
    #527falseNIST Guide for the Use of the International System of Units (SI), and Merriam-Webster dictionary definition of 'light-year' as a unit of distance/length
    #1581falseNIST Guide for the Use of the International System of Units (SI), NIST Special Publication 811 (definition of light-year as a unit of length); International Astronomical Union (IAU) definition of the light-year as a unit of distance.
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