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The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States Federal Government responsible for the civilian space program as well as aeronautics and aerospace research.

Document Title
Date
Pulsar Glossary    (19 definitions)
Feb 23, 2008
Glossary    (544 definitions)
Jun 5, 2016
Feb 11, 2009
Aeronautical Glossary    (60 definitions)
Jun 1, 2002
MMS Glossary    (17 definitions)
Feb 10, 2014
Glast Science Glossary    (111 definitions)
Jun 5, 2016
Glossary of Solar Eclipse Terms    (27 definitions)
Feb 18, 2013