坐鏡觀天|甚大天線陣 Very Large Array (VLA) episode artwork

EPISODE · Feb 2, 2022 · 11 MIN

坐鏡觀天|甚大天線陣 Very Large Array (VLA)

from 聽說張大春 · host 聽說

喜歡張大春主持的「聽說張大春」嗎?歡迎小額贊助我們,讓我們繼續產出優質節目>https://bit.ly/3dzJX7V 主持人:張大春 來賓:前國立自然科學博物館館長 孫維新 主題:甚大天線陣 Very Large Array (VLA) 無線電波天文望遠鏡—甚大天線陣 (Very Large Array,VLA)。甚大天線陣位於美國新墨西哥州的聖阿古斯丁平原上,海拔2124公尺,隸屬於美國國家無線電天文台(NRAO),於1981年建成,由27台25公尺口徑的天線組成,是世界上最大的綜合孔徑無線電望遠鏡。 甚大天線陣架設在鐵軌上,可以移動,所有天線呈Y形排列,組合起來最長基線可達36公里。甚大天線陣工作於6個波段,最高解析度可以達到0.05角秒 (arc second),與地面大型光學望遠鏡的解析度相當。天文學家使用甚大天線陣做出了一系列重要的發現,例如發現銀河系內的微類星體、遙遠星系周圍的愛因斯坦環、伽瑪射線暴的無線電波段對應體等。 ----- ▍聽更多:https://flow.page/thehearsay ▍粉絲團:https://www.facebook.com/TheHearSayChannel ▍合作贊助:[email protected] Powered by Firstory Hosting

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坐鏡觀天|甚大天線陣 Very Large Array (VLA)

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