HomeASTROLOGY These 17th-century drawings of the sun by Kepler add fire to solar cycle mystery byJAMES BROWN -August 03, 2024 0 Kepler's sun drawings are the oldest sunspot records with known dates. from Livescience https://ift.tt/h1WNg7M via IFTTT Tags ASTROLOGY CULTURE ENVIRONMENT HEALTH HISTORY Science SPACE TECHNOLOGY Facebook Twitter