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Actualizado en
5 feb 2019

  • Coreano
  • Inglés (US)
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what does 'rough analogy' mean?(uppercase part below)


"As light travels through space it decays or grows dimmer with distance. Think of a firework bursting in the night sky. When the firework first bursts the sparks are bunched close to each other. Over a short period of time they quickly spread out from each other. If you replace sparks with photons of light and the firework with your light source than you have a very ROUGH ANALOGY to how and why light decays. "

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  • Inglés (US)

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what does 'rough analogy' mean?(uppercase part below)


"As light travels through space it decays or grows dimmer with distance. Think of a firework bursting in the night sky. When the firework first bursts the sparks are bunched close to each other. Over a short period of time they quickly spread out from each other. If you replace sparks with photons of light and the firework with your light source than you have a very ROUGH ANALOGY to how and why light decays. "
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