FactsinaFlash923

Not so-well-known facts about our blue planet Earth!

Hisako Koyama was a Japanese astronomer who dedicated her life to studying sunspots. Over 40 years, she created over 10,000 drawings of sunspot groups, which have been instrumental in advancing the fields of solar science and space weather. This video provides an overview of Koyama’s life and work, highlighting her achievements and contributions to solar science and space weather. #solarscience, #womenshistory , #history