SOLUTION: LIght travels at a speed of 186,000 miles per second. The star nearest the sun is Proxima Centauri, in the constellation Centaurus, whose distance from the earth is 4 light years.
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Question 801912: LIght travels at a speed of 186,000 miles per second. The star nearest the sun is Proxima Centauri, in the constellation Centaurus, whose distance from the earth is 4 light years. What is the distance to Proxima Centauri in miles?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
In terms of units:
( mi / sec )x( sec / min )x( min / hr )x( hrs / day )x( days / yr ) = mi / yr
and
( mi / yr )x( 4 yrs of light traveling ) = miles traveled in 4 years
---------------------
miles
( within the accuracy of my calculator )
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