近来有国际科学家小组发现，土星紫外极光频率与其射电脉冲频率一致，也许可以据此来确定土星一日的长短。
An international team of scientists have discovered that Saturn 's ultraviolet auroral glow pulsates in time with its radio wave emissions , possibly signalling a ticking over of each Saturnian day .
土星极光