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| Math Central | Quandaries & Queries |
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Question from Robert, a parent: HOW MANY MILES ARE THERE IN 7.5 BILLION LIGHT YEARS. |
Robert,
Go to Google and type 6.5 billion light years to miles into the search engine. Google will respond with 6.5 billion light years = 3.82102488 × 10^22 miles.
Penny
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