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单词 Supershell
释义

Supershell

中文百科

超级气泡 Superbubble

(重定向自Supershell)
甚大望远镜拍摄在大麦哲伦星系内的超级气泡LHA 120-N44的影像。创建者:ESO/ Manu Mejias。
La superburbuja Henize 70, también conocida como N70 o DEM301, en la Gran Nube de Magallanes.[1]

超级气泡是天文学的术语,用来描述横越数百光年,被数颗超新星和恒星风充满了10 K气体的空洞。太阳系就位在一个古老的,被称为本地泡的超级气泡的中心,它的边界在数百光年的距离之外,可以追踪使恒星消光的尘埃突然增加的区域来界定。

英语百科

Superbubble 超级气泡

(重定向自Supershell)
The superbubble Henize 70, also known as N70 or DEM301, in the Large Magellanic Cloud[1]
Very Large Telescope image of superbubble LHA 120-N 44 in the Large Magellanic Cloud. Credit: ESO/Manu Mejias.

A superbubble is a cavity which is hundreds of light years across, and is filled with 10 K gas blown into the interstellar medium by multiple supernovae and stellar winds. The Solar System lies near the center of an old superbubble, known as the Local Bubble, whose boundaries can be traced by a sudden rise in dust extinction of stars at distances greater than a few hundred light years.

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更新时间:2025/6/19 8:43:53