Glossary
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DAAC
- Distributed Active Archive Center
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DAP
- Data Analysis Program associated with a mission. There are many variants e.g., CDAP (Cassini Data Analysis Program), DDAP (Discovery Data Analysis Program), etc.
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DOE
- Department of Energy
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DSN
- Deep Space Network
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DoD
- Department of Defense
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dark matter
- Nonluminous matter not yet directly detected by astronomers that is hypothesized to exist to account for various observed gravitational effects.
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dewar
- A glass or metal container made like a vacuum bottle that is used especially for storing liquefied gases.
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dynamical fluid
- a fluid whose state is determined by conditions around it