This
illustration depicts Stardust's high-level features, including the cometary
multi-layer shields used to protect two of its critical systems, specifically the
main body and solar arrays.
In order to defend the Stardust spacecraft from cometary hypervelocity impacts
originating from its encounter with comet Wild-2, it is necessary to implement
complex shielding systems which protect vital Stardust subsystems. The current
Stardust shield design involves 4 separate shielding systems:
Stardust Main Shield
Stardust Solar Array Shield
Stardust Collector Wrist Shield
Stardust NavCam Periscope Shield
Each shield is specifically designed to protect Stardust's main body, solar
arrays, Aerogel collector wrist, and the navigation camera periscope,
respectively, over the course of its long journey and specifically during its
encounter with comet Wild-2.
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