An artificial moon with a mass of 1 ton, rotating in a very low circular orbit, gradually descended and hit the vertically

An artificial moon with a mass of 1 ton, rotating in a very low circular orbit, gradually descended and hit the vertically located side of the mountain. Estimate the energy (in TNT equivalent) released during the impact. Is it possible to see a flash of light from the Earth with the naked eye, if we assume that 10% of the collision energy has passed into light energy? The mass of the Moon is 7.3 * 10 ^ 22 kg, the radius of the Moon is 1740 km, the distance from the Earth to the Moon is 384 000 km, when 1 kg of TNT explodes, 4.2 * 10 ^ 9J is released.

330 kg in TNT equivalent; the flare will have a brightness of about 5 “%, which theoretically allows it to be observed on the dark side of the moon at a very small phase. In practice, it will most likely be impossible to notice such a flare.

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