# The transit time of light from the Earth to the Moon is 1.25 s. How many times is it less than

The transit time of light from the Earth to the Moon is 1.25 s. How many times is it less than the transit time of light from the Sun to the Earth, which is 8.3 minutes?

These tasks: t1 (time of passage of light from the Earth to the Moon) = 1.25 s; t2 (time of passage of light from the Sun to the Earth) = 8.3 minutes (in the SI system t2 = 498 s).

The ratio of the transit time of light from the Sun to the Earth and from the Earth to the Moon is: k = t2 / t1.

Calculation: k = 498 / 1.25 = 398.4 times.

Answer: The transit time of light from the Earth to the Moon is 398.4 times less than the transit time of light from the Sun to the Earth.

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