Light from the Sun reaches the Earth in 500 seconds, the light from the star Proxima, the closest to the Solar System, in the constellation Centaurus – in 4.22 years. How many times is Proxima further from the Sun?
the distance to Proxima is as many times as the distance to the Sun, as many times as 4.22 years as more than 500 s. 4.22 × 365 × 24 × 60 × 60/500 = 266 thousand times.
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