MACRO means Monopole Astrophysics and Cosmic Ray Observatory in Astronomy
Similar to MACRO
AAS - American Astronautical SocietyAAS - Archaeology, Astronautics, and Seti
AAT - Anglo Australian Telescope
AAVSO - American Association of Variable Star Observers
ABB - After the Big Bang
ABBA - ADC Backend For Bolometer Array
ABF - Astronomische Beeldverwerkings Faciliteiten
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