Chemistry
Chemistry, 28.03.2020 19:11, cireland

Describing Light-Years
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The of light is the rate at which light travels through empty space, or about 300,000 km per second.
A light-year is a measurement of .
The distance between stars is measured in light-years rather than in miles or kilometers because the distance between stars .

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Describing Light-Years
Use the drop-down menus to complete the statements.
The of light...

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