A “ cosmic origins spectrograph ” will examine the structure and composition of the matter concentrated in the “ cosmic web ” ? long , narrow filaments of galaxies and intergalactic gas separated by huge voids “宇宙起源光譜儀”將檢查聚集在“宇宙網(wǎng)” (星系和星系間氣體被巨大的空間分隔所組成的狹長(zhǎng)線)中的物質(zhì)的結(jié)構(gòu)和組成。