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Lightyears

Published on Nov 19, 2015

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1.

LIGHTYEARS

MADE BY: REBEKAH VIGIER
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2.

WHAT IS A LIGHT YEAR ?

  • A light year measures distance out of the solar system or within the universe
  • Unit of distance,it is the distance that light can travel in one year.
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3.

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4.

BIG BANG THEORY 💥

  • Scientists said our universe comes from a singularity (a infinitely small,hot area of infinite pressure and density.
  • Edwin Hubble studied galaxies in the 1920's and proved the universe was expanding
Photo by gelinh
5.

MEASURING LIGHTYEARS

  • Light year is just a unit of distance as in like miles or kilometers

Rebekah Vigier