How can you look back in time?

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Created byPhysics_Teacher

This PowerPoint can be used to guide students through how to work out speed and what is meant by a light year in order for them to answer the above question at the end of the lesson. Requires some difficult math.

  • light speed.ppt
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light speed

ppt, 38 KB

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CreatedJun 9, 2010
UpdatedAug 19, 2015
LicenceTES-V1

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This resource is designed for US teachers. View UK version .