The woman who stared at the sun | Alex Gendler

Hisako Koyama, an amateur astronomer, began observing the sun during WWII blackouts, sketching sunspots and contributing significantly to solar science. Her work, despite no formal training, was highly accurate and recognized by the Oriental Astronomical Association. Koyama's records, spanning over 40 years, helped track solar cycles and sunspot movements, providing insights into solar phenomena like flares that affect Earth's technology. Her legacy extends beyond her lifetime, illustrating the importance of meticulous observation in science.

How did Koyama's observations contribute to the understanding of solar phenomena?

What legacy did Hisako Koyama leave in the field of solar observation?