Arizona Monsoon – Courtesy Wikimedia Commons. July is storm season in Arizona. Dark clouds gather over the Bradshaw Mountains, lightning flashes across the desert, and astronomers reluctantly cover their telescopes as another monsoon shower rolls through. While thunderstorms rage overhead, another kind of storm is raging 93 million miles away. On the surface of theContinueContinue reading “July 2026 – Storm Season on Earth and in Space”
Tag Archives: solar
April 2024 – Solar Cycles and Sunspots
Our Sun, courtesy Mark Johnston, Phoenix Astronomical Society @AZAstroGuy Nearly 3,000 years ago, The Chinese Yi Jing or “Book of Changes” documented small, irregular concealments in the surface of the Sun. By 300 BC, both Eastern and Western cultures were documenting their changing views of our star, and the patterns that would grow and thenContinueContinue reading “April 2024 – Solar Cycles and Sunspots”
The Backyard Astronomer 