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{{subpages}} '''Atmospheric reentry''' is the process by which vehicles that are outside the [[atmosphere]] of a [[planet]] can enter that atmosphere and reach the planetary surface intact. Vehicles that undergo this process include [[spacecraft]] from [[orbit]], as well as [[suborbital]] [[ballistic missile]] '''reentry vehicles'''. Typically this process requires special methods to protect against [[aerodynamic heating]]. Various advanced technologies have been developed to enable atmospheric reentry and flight at extreme velocities. {{Image|Mer_entry.jpg|right|310px|[[Mars Exploration Rover]] (MER) aeroshell, artistic rendition.}} {{Image|Apollo_cm.jpg|right|310px|Apollo Command Module flying at a high [[angle of attack]] for lifting entry, artistic rendition.}}

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