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The supermassive black hole "Sagittarius a*" is the central object of the Milky Way. Its huge gravity controls all the objects in the galaxy to operate according to the same rules, and gathers scattered material particles in the universe, causing them to collapse into stars. It is called the "galaxy womb". However, reports show that "Sagittarius a*" absorbs a large number of protons during its operation and gathers them in the event horizon orbit. Every few million years, the protons will be accelerated by the twisted magnetic field around Sagittarius a* and shoot out into the universe from the poles of the magnetic field at the speed of light. The particle flow will annihilate all celestial bodies in its path. The radiation burst will strip away the atmosphere of Earth-like planets within a radius of several hundred light years, and all life within the range will be destroyed. Unfortunately, Sagittarius a*'s stable period is coming to an end. "How many more days of peace can humans in the blue have?"