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Star 8 years ago - PowerPoint PPT Presentation

What type of measuring unit would we need for distances across space?

What type of measuring unit would we need for distances across space?. Light Year. How far is far? How fast is fast?. What Is It?. A light year is the DISTANCE that light will travel, through a vacuum, in 1 year. Calculate Seconds. How many seconds are in a year?

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Star 8 years ago - PowerPoint PPT Presentation

What type of measuring unit would we need for distances across space?