Description: 太陽耀斑是太陽某一部分的短暫增亮。

太陽周圍有一個復雜的磁場。有時，這個磁場會變得不穩定，發生結構的改變並釋放出大量儲存的能量。這會導致太陽大氣局部加熱，並使光球層的一小部分變亮。這也會導致巨量的粒子流被拋向太空（稱為日冕物質拋射）。

大多數太陽耀斑對太陽亮度的改變是人眼難以察覺的，只有用太陽望遠鏡或監測太陽的太空望遠鏡才能看到。

如果太陽拋射的日冕物質離地球足夠近，與地球磁場相互作用，就會引起地磁暴。

其他恆星也會產生耀斑（稱為恆星耀斑），但由於我們看到的恆星是光點，只能看到恆星整體短暫變亮。

Related Terms:

• 極光
• 光球
• 太陽風
• 空間天氣
• 太陽
• 磁場
• 日冕物質拋射（CME）

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

This is an automated transliteration of the simplified Chinese translation of this term

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