10 ^ 7 kg of meteorite matter falls on the Earth per year. How many years will the Earth’s mass increase by 0.001% if now it is 6 * 10 ^ 24 kg?

0.001% of the Earth’s mass is 10 ^ -3 * 10 ^ -2 * 6 * 10 ^ 24 = 6 * 10 ^ 19 kg. With a loss of 10 ^ 7 kg in a year, such a mass will accumulate in 6 * 10 ^ 19/10 ^ 7 = 6 * 10 ^ 12 years.

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