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600 quadrillion.

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I get 5.878 x 1017 miles. Is that the same order of magnitude ?

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Well 1 light year is 9.46*1012 km. So 100000 light is 9.46*1017 km. 1 mile is 1.6 km. Hence 9.46*1017 km is 5.9*1017 miles. So the second contributor is correct.
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9y ago
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9y ago

600,000 trillion. (6,000,000,000,000 x 100,000)

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1 Light Year = 5878625373183.61 Miles

100 000 light years = 105 x 5.8786 x 1012 = 5.8 x 1017 = 580 billiards

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15y ago

If you are traveling at the speed of light, it would take 100 years.

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12y ago

The distance of 1,000 light years is 9,461,000,000,000,000 km.

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8y ago

A light year is a unit for measuring distance not time. 100 light years is about 590 trillion miles.

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11y ago

Only one. A light year is not a measure of time but rather of distance: the distance that light travels in one year, at 186,000 mi/sec.

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