The distance from earth to the star Proxima Centauri is 4.22 light years, which means it would take a ray of light 4.22 years to travel from earth to the star. How many miles separate earth and Proxima Centauri?

2.48x10¹³ miles is the distance from the earth to Proxima Centauri

Explanation:

Light years is an unit of distance used in Astronomy. That is because 1 light year = 9.461x10¹²km; a real big distance used in the science that study the universe.

In km, 4.22 light years are:

4.22 light years * (9.461x10¹²km / 1 light year) = 3.9925x10¹³km

As 1 mile = 1.60934km, this distance in miles is:

3.9925x10¹³km * (1 mile / 1.60934km) =

b) mutualism

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