The HEASARC welcomes your participation in a brief survey to capture how users access and utilize HEASARC data, software, and services. The outcome(s) of this survey will be used to guide, prioritize, and plan our activities and development in the coming years. It contains 18 questions, generally takes just a few minutes to complete, and your answers will remain totally anonymous. We thank you in advance for your valuable feedback.
Fermi Gamma-ray Space Telescope
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ACD and the MicroMeteoroid Shield

Top view of the ACD

Top view of the ACD

MicroMeteoroid Shield above the ACD

MicroMeteoroid Shield above the ACD

MicroMeteoroid Shield on the ACD

MicroMeteoroid Shield on the ACD

Multi-Layer Insulation Installed

MicroMeteoroid Shield Installed

Photo Credit: Diane Schuster