Ascent
Ascent is the phase of a spaceflight in which a spacecraft leaves the surface of the Earth and begins to rise towards space. During ascent, the spacecraft is subjected to high levels of stress and must be designed to withstand the extreme conditions of launch, including acceleration, vibration, and thermal loads. The propulsion system of the spacecraft is critical during ascent, as it must provide enough thrust to overcome the force of gravity and achieve the necessary velocity to reach orbit. Ascent also includes the separation of stages or boosters, which are used to provide additional thrust during launch. The success of the ascent phase is crucial to the overall success of the mission, as any failure during this phase can result in the loss of the spacecraft and crew.
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