New Study Highlights ‘Hidden Figure’ of Sun-Watchers
Eos,
Few people have heard of Hisako Koyama, but the dedicated female solar observer, born in Tokyo in 1916, created one of the most…
Few people have heard of Hisako Koyama, but the dedicated female solar observer, born in Tokyo in 1916, created one of the most…
http://arxiv.org/abs/1609.04882 We describe a revised collection of the number of sunspot groups from 1610 to the…