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Biology, 14.10.2019 23:40 donmak4015
Suppose you are an astronomer, and a child asks you to explain how long it takes light to travel through space. in your own words, answer the child's question. be sure to mention the speed that light travels in space, and provide a general idea of how long it takes the light from distant stars to reach earth.
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Suppose you are an astronomer, and a child asks you to explain how long it takes light to travel thr...
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