国际太阳黑子数与m=0的球谐系数的李萨如图 (IMAGE) Science China Press Caption 太阳黑子数和球谐系数时间序列已预先通过13个月的移动窗口进行平滑处理。不同的颜色代表不同的太阳活动周,在一个周期内颜色逐渐从深到浅。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.