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Aeroshell
From Wikipedia, the free encyclopedia
An aeroshell is a rigid heat shielded shell that protects an entry vehicle during space travel and from atmospheric drag during landing. The heat shield also serves to slow the craft during atmospheric entry. The back shell carries the load being delivered, along with important components such as a parachute, rocket engines, and monitoring electronics like an inertial measurement unit that monitors the orientation of the shell during parachute-slowed descent.
Aeroshells are a key component of interplanetary space missions. They were used in the Apollo program to the moon in the 1960s and 1970s, the 1975 Viking program to Mars, the 1997 Mars Pathfinder mission, the 2003 Mars Exploration Rover missions, and are scheduled for use in the Mars Science Laboratory mission in late 2009.
- "Lockheed Martin To Design Mars Science Lab Aeroshell", Mars Daily, 2006-03-30. Retrieved on 2007-02-17.
- "For Fuel Conservation in Space, NASA Engineers Prescribe Aerocapture", NASA, 2006-08-17. Retrieved on 2007-02-17.
- Space travel guide
- Early Reentry Vehicles: Blunt Bodies and Ablatives
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