Why do electrons orbit the nucleus without falling into it?
Electrons do not fall into the nucleus because of quantum energy levels and the balance of electromagnetic forces.
Electrons do not fall into the nucleus because of quantum energy levels and the balance of electromagnetic forces.
The question of why time flows in one direction is explained by physics and entropy because the universe moves toward increasing disorder.
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Heat always flows from hot to cold because energy balance is governed by the second law of thermodynamics.
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Clouds stay aloft because tiny droplets and rising air currents counter gravity, supported by the continuous balance of atmospheric conditions.
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The sky appears blue due to Rayleigh scattering of sunlight in the atmosphere, while weather conditions and particles alter its shades, as seen during sunset.
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Gravity exists because mass bends spacetime, pulling objects toward each other.
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Light refracts because its speed changes as it moves through materials of different densities.
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