Earthquake
In the context of space and astronautical engineering, an earthquake refers to the shaking or vibration of a spacecraft or launch vehicle during launch or re-entry. Earthquakes can be caused by a variety of factors, including aerodynamic forces, engine vibrations, and structural resonances. These vibrations can be harmful to the spacecraft or launch vehicle, potentially causing damage to critical systems or even catastrophic failure. Engineers must carefully design and test spacecraft and launch vehicles to ensure that they can withstand the forces of an earthquake and safely complete their mission.
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