When the magnetic field is at its strongest, and sunspots at their most plentiful, they cluster close to the equator.

当磁场最强，太阳黑子最丰富的时候，它们会聚集在赤道附近。

This might sound unappealing, but nightingale droppings have long been used in Japan to clear sunspots, acne marks and pigmentation.

这听起来可能没什么吸引力，但夜莺粪便长期以来在日本被用来清除祛斑、痤疮和色素沉着。

Most sunspots in a year since 1778.

自1778年以来太阳黑子活动最活跃的一年。

Sunspots are windows into the sun's magnetic soul.

正如眼睛是心灵之窗，太阳黑子是观测太阳内在磁场活动的窗口。

In the past, sunspots have disappeared for decades.

在过去，太阳黑子也曾经有过几十年无影踪的经历。