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Nuclear spectroscopic telescope array

NASA X-ray space observatory

Pronunciation
/ˈnjukliər ˌspɛktrəˈskɑpɪk ˈtɛləˌskoʊp əˈreɪ/
/ˈnjuːklɪə spɛktrəˈskɒpɪk ˈtɛlɪskəʊp əˈreɪ/
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