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討論區 => 天文新知 => 主題作者是: peter 於 2022-10-19 09:26:05



主題: 心宿二Antares 參宿四 Betelgeuse SIZE 那個大?
作者: peter2022-10-19 09:26:05

心宿二Antares   參宿四 Betelgeuse  SIZE  那個大?

https://www.cloudynights.com/topic/392711-which-is-bigger-betelgeuse-or-antares/?fbclid=IwAR1EkYlJ09w8KNgPmuUj1wSltF9LqsSLOeFf0NIQgF1bXh-gMtYF-pnfsRI  

https://www.facebook.com/photo.php?fbid=10160385560425762&set=p.10160385560425762&type=3


Antares is a binary system, so you must be talking about Antares A. Antares A has a radius of 883 R☉. Betelgeuse is at an approximate 887 R☉ slightly larger than Antares A—though, “slightly” bigger here still means a difference in diameter of almost 5.57 million km.

https://www.quora.com/Is-Antares-the-star-bigger-than-Betelgeuse

(https://www.quora.com/Is-Antares-the-star-bigger-than-Betelgeuse)

 


主題: 回覆: “心宿二Antares 參宿四 Betelgeuse ” SIZE
作者: peter2022-10-22 11:04:28
https://www.star-facts.com/antares/

 Very Large Telescope Interferometer 
red supergiant star Antares 心宿二 .

(https://www.star-facts.com/wp-content/uploads/2019/11/Antares-surface.webp)

WIKI
https://en.wikipedia.org/wiki/Antares

 太陽的 680倍

參宿四  Betelgeuse     太陽的  764 倍

https://www.eso.org/public/news/eso2003/




主題: 回覆: 心宿二Antares 參宿四 Betelgeuse SIZE 那個大?
作者: peter2022-10-22 11:06:28

最大

https://familystar.org.tw/index.php?option=com_smf&Itemid=35&topic=26939.0