主題: 天文望遠鏡能讓我們看到月亮上的腳印嗎? 作者: peter 於 2023-07-25 08:40:44 天文望遠鏡能讓我們看到月亮上的腳印嗎? https://kknews.cc/zh-tw/science/abvgl6v.html
天文望遠鏡的最小解析度單位是角秒,用數學來表示的話即:1°(度)= 60 '(角分)= 60 * 60 (角秒),而哈伯望遠鏡的極限解析度是0.1角秒左右。如果想在地球上看月球上一個大小1米的物體,則需要大約0.0005角秒。 原文網址:https://kknews.cc/science/abvgl6v.html 電波望遠鏡解析度 https://familystar.org.tw/forum/index.php?topic=6586.0; 主題: 回覆: 天文望遠鏡能讓我們看到月亮上的腳印嗎? 作者: peter 於 2023-07-25 08:47:11 gmt
https://familystar.org.tw/index.php?option=com_smf&Itemid=45&topic=21710.0 巨型麥哲倫望遠鏡 GMT解析度將是哈伯太空望遠鏡的10倍 http://familystar.org.tw/index.php?option=com_smf&Itemid=3&topic=18093.0; gmt Angular resolution 0.01 arcsecond vlt Angular resolution 0.002 arcsecond hubble 0.014 arc seconds ? 30m => https://familystar.org.tw/index.php?option=com_smf&Itemid=45&topic=20330.0 What is the resolution of a Thirty Metre telescope? - https://www.quora.com › What-is-the-resolution-of-a-Th... The resolution is 0.004 arc-seconds and an arc-second is 1/3600 of a degree ELT under ideal conditions has an angular resolution of 0.005 arcsecond which corresponds to separating two light sources 1 AU apart from 200 pc (650 ly) distance, or two light sources 30 cm apart from roughly 12,000 km distance. https://en.wikipedia.org/wiki/Extremely_Large_Telescope wiki https://en.wikipedia.org/wiki/Angular_resolution |