Sunspots are dark patches marking magnetically active regions that often host solar flares and violent belches called coronal mass ejections.
黑子是太阳表面比较暗的区域，也叫活动区。那里经常发生耀斑和日冕物质抛射等剧烈的喷发现象。
Sunspots are dark patches marking magnetically active regions that often host solar flares and violent belches called coronal mass ejections.
黑子是太阳表面比较暗的区域，也叫活动区。那里经常发生耀斑和日冕物质抛射等剧烈的喷发现象。
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