metagalaxies的音標(biāo)：...
n.宇宙，全星河系統(tǒng)( metagalaxy的名詞復(fù)數(shù) )...
They turned their telescopes towards other nearby galaxies.他們把望遠(yuǎn)鏡轉(zhuǎn)向附近其他星系。Quasars are the highly energetic cores of distant galaxies.類(lèi)星體是遙遠(yuǎn)星系的極為活躍的核心體.We still don't know how many galaxies there are in the universe....
By measuring the motion of the galaxies in a cluster, astronomers can infer the cluster's mass.通過(guò)測(cè)量星系在一個(gè)星系團(tuán)內(nèi)的運(yùn)動(dòng),天文學(xué)家們可以推定這個(gè)星系團(tuán)的質(zhì)量。They turned their telescopes towards other nearby galaxies...他們把望遠(yuǎn)鏡轉(zhuǎn)向附近其他星系。Space fli...