Quasars are the highly energetic cores of distant galaxies.
類星體是遙遠星系的極爲活躍的核心體。
Spacewalking astronauts installed an 88-million-dollar spectrograph designed to detect faint light from faraway quasar .
太空漫步宇航員安裝8．8千萬美元的光譜儀，用於探測來自遙遠類星體的微弱光線。
Scientists study quasars to learn more about the early universe.
科學家研究類星體以瞭解更多關於早期宇宙的知識。
Astronomers use powerful telescopes to observe quasars in distant galaxies.
天文學家使用強大的望遠鏡觀測遙遠星系中的類星體。
Quasars emit intense radiation and are among the brightest objects in the universe.
類星體發射強烈輻射，是宇宙中最明亮的物體之一。
The discovery of quasars revolutionized our understanding of the cosmos.
類星體的發現徹底改變了我們對宇宙的理解。
Some quasars are billions of light-years away from Earth.
一些類星體距離地球數十億光年。
Quasars are powered by supermassive black holes at the centers of galaxies.
類星體由星系中心的超大質量黑洞提供能量。
The light from quasars can help astronomers study the composition of interstellar gas.
類星體的光線可以幫助天文學家研究星際氣體的組成。
Quasars are believed to play a crucial role in galaxy formation and evolution.
人們相信類星體在星系形成和演化中扮演着關鍵的角色。
The energy output of quasars can outshine entire galaxies.
類星體的能量輸出可以超過整個星系的亮度。
Quasars are fascinating objects that continue to intrigue scientists and astronomers.
類星體是令科學家和天文學家着迷的迷人物體。
Quasars are the highly energetic cores of distant galaxies.
類星體是遙遠星系的極爲活躍的核心體。
Spacewalking astronauts installed an 88-million-dollar spectrograph designed to detect faint light from faraway quasar .
太空漫步宇航員安裝8．8千萬美元的光譜儀，用於探測來自遙遠類星體的微弱光線。
Scientists study quasars to learn more about the early universe.
科學家研究類星體以瞭解更多關於早期宇宙的知識。
Astronomers use powerful telescopes to observe quasars in distant galaxies.
天文學家使用強大的望遠鏡觀測遙遠星系中的類星體。
Quasars emit intense radiation and are among the brightest objects in the universe.
類星體發射強烈輻射，是宇宙中最明亮的物體之一。
The discovery of quasars revolutionized our understanding of the cosmos.
類星體的發現徹底改變了我們對宇宙的理解。
Some quasars are billions of light-years away from Earth.
一些類星體距離地球數十億光年。
Quasars are powered by supermassive black holes at the centers of galaxies.
類星體由星系中心的超大質量黑洞提供能量。
The light from quasars can help astronomers study the composition of interstellar gas.
類星體的光線可以幫助天文學家研究星際氣體的組成。
Quasars are believed to play a crucial role in galaxy formation and evolution.
人們相信類星體在星系形成和演化中扮演着關鍵的角色。
The energy output of quasars can outshine entire galaxies.
類星體的能量輸出可以超過整個星系的亮度。
Quasars are fascinating objects that continue to intrigue scientists and astronomers.
類星體是令科學家和天文學家着迷的迷人物體。
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