WAXD means Wide-Angle X-ray Diffraction in Astronomy
Similar to WAXD
ASAS - All Sky Automated SurveyASCH - Alien Societies Culture And History
ASLV - Advanced Satellite Launch Vehicle
AST - Apparent Solar Time
ASWG - Astronomical Science Working Group
ASWG - ATST Advanced Technology Solar Telescope Science Working Group
ATM - Apollo Telescope Mount
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