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The nearest star to our planet other than the sun , is 4.4 light year away.One light-year is the distance light travels in a year. * HOW LONG DOES IT TAKE FOR TO REACH US? * SUGGEST WHY LIGHT-YEAR IS USED
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The nearest star to our planet other than the sun , is 4.4 light year away.One light-year is the distance light travels in a year.

* HOW LONG DOES IT TAKE FOR TO REACH US?
* SUGGEST WHY LIGHT-YEAR IS USED AS THE UNIT FOR MEASURING THE DISTANCE BETWEEN DISTANT STARS AND OUR PLANET, RATHER THAN THE UNIT 'KILOMETER,

User PearsonArtPhoto
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Answer:

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The main reason for using light years, however, is because the distances we deal with in space are immense. If we stick to miles or kilometers we quickly run into unwieldy numbers just measuring the distance to the nearest star: a dim red dwarf called Proxima Centauri that sits a mere 24,000,000,000,000 miles away!

Step-by-step explanation:

User Uadnal
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