Open post Khurram Wadee ✅ @mkwadee@mastodon.org.uk · 3mo ago #AR4478: Giant #Sunspot Group #Astronomy #Picture of the Day https://apod.nasa.gov/apod/ap260628.html #APOD #Sun NASA Science APOD: 2026 June 28 - AR 4478: Giant Sunspot Group - NASA Science
