Space Abbreviations and Acronyms
- JAAVSOJournal of The American Association of Variable Star Observers
- JADJournal of Astronomical Data
- JAEAJasan Aerospace Exploration Agency
- JAESATJoint Australian Engineering Satellite
- JAHHJournal of Astronomical History and Heritage
- JAMJoint Airlockhmodule
- JANNAFJoint Army Navy Nasa Air Force
- JANSCJournal of Astronautical Sciences
- JAPAJournal of Astrophysics and Astronomy
- JAPASJournal of Astrophysics and Astronomy Supplement
- JAPCCJoint Air Power Competence Center
- JASJapanese Amateur Satellite
- JASJournal of Aerospace Science
- JASACJapan Astronomical Study Association Circulars
- JASEGJournal of The Astronomical Society of Egypt
- JASMINEJapanese Astrometry Satellite Mission for Infrared Exploration
- JASSJournal of Astronomy and Space Sciences
- JASVJournal of The Astronomical Society of Victoria Melbourne
- JAWSATJoint Air Forch Academy / Weber State University Satellite
- JBAAJournal of The British Astronomical Association
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