太阳活动
Traditional form:
太陽活動
Pinyin (reading):
tàiyánghuódòng
Definitions:
- sunspot activity
- solar variation
Characters:
- 太 - very, too much; big; extreme
- 阳 - the male principle; bright, sunny; clear, lit, open
- 活 - to exist, to live, to survive; living, working
- 动 - to move, to happen; movement, action
Traditional characters: