2022年8月15日 星期一

Webb telescope may have already found most distant known galaxy

 

韋伯望遠鏡可能發現了最遙遠已知星系

【摘要2022.8.15.自由】陳成良

Just a week after its first images were shown to the world, the James Webb Space Telescope may have found a galaxy that existed 13.5 billion years ago, a scientist who analyzed the data said Wednesday.

一位分析數據的科學家週三表示,就在向世界展示第一張照片一週後,詹姆斯韋伯太空望遠鏡可能發現一個存在135億年前的星系。

Known as GLASS-z13, the galaxy dates back to 300 million years after the Big Bang, about 100 million years earlier than anything previously identified, Rohan Naidu of the Harvard Center for Astrophysics told AFP.

哈佛天體物理中心的科學家羅罕納伊度告訴法新社,這個被稱為GLASS-z13的星系可追溯到「宇宙大爆炸」後3億年,比之前發現的任何星系都早了大約1億年。

The more distant objects are from us, the longer it takes for their light to reach us, and so to gaze back into the distant universe is to see into the deep past.

物體距離我們愈遠,光線傳到我們眼中的時間愈長,因此觀測遙遠的宇宙,等於是凝視深遠的過去。

Though GLASS-z13 existed in the earliest era of the universe, its exact age remains unknown as it could have formed anytime within the first 300 million years.

GLASS-z13存在於宇宙最初期時代,但我們還不清楚其確切年齡,因為GLASS-z13可能是在宇宙誕生3億年內的任何時期形成。

新聞辭典

date back:片語,(時間)追溯至。例句:The statue can date back to the 13th century.(這尊雕像可以追溯到13世紀。)

gaze:動詞凝視,注視,盯著看。例句:He gazed at his old car fondly.(他深情地注視著他的舊車。)

 

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