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The observatory scheduled a long exposure on a bright QSO to map its surrounding gas.
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The observatory scheduled a long exposure on a bright QSO to map its surrounding gas.
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Related words
QSO
Noun
abbreviation
alt-of
initialism
dated
Japanese Meaning
準星状天体（クエーサー、すなわちほぼ恒星に似た外観を持つ非常に明るい遠方天体） / （古い用法）無線電波が弱い（静かな）クエーサー
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