Space News & Blog Articles
☰
×
HOME
NEWS
SPACE TV
SHOP
By
SpaceZE News Publisher
on Tuesday, 30 July 2024
Category:
Space.com
These 17th-century drawings of the sun by Kepler add fire to solar cycle mystery
Earth was cooler than usual in the 16th and 17th centuries and scientists are still trying to figure out why. New analysis of sunspot drawings by Kepler, in 1607, may shed some light.
Original link