Astronomy Abbreviations and Acronyms
- JAAJournal of Astrophysics and Astronomy
- JAAMEJapanese Association for The Advancement of Medical Equipment
- JAAVSOJournal of The American Association of Variable Star Observers
- JACJapan Astronomical Circular
- JACJoint Astronomy Centre
- JACARAJoint Australian Centre for Astrophysical Research In Antarctica
- JADJournal of Astronomical Data
- JAESATJoint Australian Engineering Satellite
- JAHHJournal of Astronomical History and Heritage
- JALPOJournal of The Association of Lunar & Planetary Observers
- JAMJoint Airlockhmodule
- JAMAJournal of The American Medical Association
- JANSCJournal Os Astronautical Sciences
- JANSCJournal of Astronautical Sciences
- JAPAJournal of Astrophysics and Astronomy
- JAPASJourual of Astrophysics and Astronomy Supplement
- JAPASJournal of Astrophysics and Astronomy Supplement
- JAPOAJapan Amateurkphotoelectric Observers Association
- JAPOAJapan Amateur Photoelectric Observers Association
- JASJordanian Astronomical Society
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