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A lightyear is the distance that light can travel in one year.

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13y ago

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Why is a lightyear a measurement of distance not time?

Because the definition of a lightyear is: how long light can travel in a year. Hope this helped;)


How far can light travel in a lightyear time?

Light can travel about 5.88 trillion miles in one lightyear.


How long would it take to travel one lightyear at 25000mph?

One lightyear is about 6 trillion miles, so, it would take about 27000 years to travel one lightyear at 25000 MPH. 25,000 mph is about 7 miles a second. Light travels at about 186,000 miles a second. That's 26,600 times the speed your travelling. So if it takes light one year it is going to take your vehicle 26,600 years All the numbers are rounded to whole numbers. To get an accurate time then use the actual numbers.


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How big is 1 lightyear?

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How big is a lightyear?

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