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TED-Ed
The woman who stared at the sun | Alex Gendler
In 1944, amateur astronomer Hisako Koyama's latest endeavor was sketching the sun's shifting surface. She spent weeks angling her telescope towards the sun and tracking every change she saw with drawings. Little did she know, these...
Science Friday Initiative
Science Friday: Sun Activity
The sun has been in a relatively quiet period in recent years -- but astronomers say that's going to change soon.