LavenderBrown72

My Public / Unpublished Books (1)

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  Light Years

  On earth we measure distances by using miles, yards, feet, inches, etc. But, how do astronomers measure distances in space? They use Light years. In this book there is information on who discovered light years, what is a light year,how a light year is used to measure distances in space,and distances between earth and a bunch of other things (I'm not going to spoil it for you). Read more to find out!

  by LavenderBrown72

  19