Re-entry Trajectory
In the context of aerospace engineering, a re-entry trajectory refers to the path that a spacecraft, or any object in space, follows when it re-enters the Earth's atmosphere from space. The trajectory is carefully calculated to ensure the spacecraft can withstand the intense heat and pressure generated by the friction between the spacecraft and the atmosphere. The trajectory is typically a steep descent to minimize the time spent in the high-temperature environment. The re-entry trajectory is a critical aspect of mission planning and spacecraft design, as it directly impacts the survivability of the spacecraft and its occupants. It involves complex calculations and considerations of factors such as the spacecraft's speed, angle of attack, atmospheric density, and the spacecraft's structural integrity. The re-entry trajectory also has implications for the landing site selection, as the trajectory determines the geographical area where the spacecraft will land.
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