Sun news for May 7, 2024. X4.5 flare! Region AR3663 has had a week of high activity. Today is no exception as it finally approaches the horizon. What's next?
Will Betelgeuse have another period of noticeable dimming in 2024? Betelgeuse will explode as a supernova someday. When it does, it'll be visible in daylight.
Alphard is the "heart" and brightest star in the constellation Hydra the Water Snake, and it represents a welcome sign of spring for the Northern Hemisphere.