태양 활동이 활발해질 2021년
태양 흑점은 2021년에 자주 나타날 것입니다.
The sun is becoming active again in 2021.
The sunspots will appear frequently in 2021.
Large image :
http://cometsky.com/astronews/sunspot_prediction_20210101_large_bsyeom.jpg
Image credit: Bum-Suk Yeom 염범석, spaceweather.com, SILSO data/image, Royal Observatory of Belgium, Brussels.
