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Apollo Telescope Mount
in Astronomy
Amateur Telescope Maker
in Astronomy
Amateur Telescope Making
in Astronomy
170669170670170671
Similar to ATM
B-V - Binary - Variable star
BAV - Bundesdeutsche Arbeitsgemeinschaft fur Veraenderliche Sterne
BBH - Big Black Hole
BBT - Big Bang Theory
BCG - Blue Compact Galaxy
BD - Brown Dwarf
BE - Bright Elements
View all in Astronomy