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Interface region imaging spectrograph

NASA solar observation satellite

Pronunciation
/ˈɪntəfeɪs ˈriːʤən ˈɪmɪʤɪŋ ˈspɛktrəʊɡrɑːf/
/ˈɪntərˌfeɪs ˈriʤən ˈɪmɪʤɪŋ ˈspɛktrəˌɡræf/