Question

 How long does light take to travel a distance of one light year?

Answer Light takes one year to travel the distance of one light year. A "light year" is the distance that light can travel in 365 days. Light travels a distance of about 5,900,000,000,000 miles or about 9... Read More »
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How many light bulbs are used each year?

The United States has approximately 5 billion light bulbs in use at any time. In North America (U.S., Canada and Mexico), 2.2 billion light bulbs are replaced each year.References:Physorg: Silicon ... Read More »
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How long is a light-year in km?

Light-years are a unit of distance that is equal to how far light can travel over a year. A light-year is equivalent to 9,500,000,000,000 kilometers. Light-years represent a useful unit when discus... Read More »
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How far is a light year in meters?

A light year is a measure of distance defined by the distance that light could cover over the period of one year. A light year is equal to 9,460,000,000,000 meters, or 9.46 trillion kilometers. Lig... Read More »
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What is the distance of one light-year?

The distance of one light-year is 9.5 trillion km. The unit of distance, the light-year, is used to measure the vast amount of distance between space objects. The term light-year literally measures... Read More »
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