Dropping a lump of rock the size of a small city from a great height (even when assisted by the thrusters that were used to raise it up) would not nearly have as big an impact as that of a meteor from outer space. Meteors get their high energy on impact from their high speed (usually around 17 km/s). A lump of rock dropped from 20,000 feet and assisted by thrusters would not go faster than about 0.5 km/s. The energy of the impact would be 1100 times less than that of a meteor of the same mass.
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05/03/2025 alle ore 07:45
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