I'm an award-winning journalist writing about the night sky and eclipses.
the right — on Aug. 5, 2024. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares and which is colorized in teal., which constantly observes the sun using a telescope and filters, captured images of X-class solar flares at 9:40 a.m. ET and 11:27 a.m. ET on Sunday, Aug. 5.A solar flare is a powerful burst of energy radiation from the sun that travels at light speed and takes just eight minutes to reach Earth.
That's what happened last weekend when a weaker M8-class solar flare triggered a stronger-than-expected G3-class geomagnetic storm that almost reached G4.G2 storms can generally be seen as far south as New York and Idaho; for G3, it’s Illinois and Oregon; for G4, it’s Alabama and northern California. According toearly morning hours of May 11, 2024 in Latourell, Oregon.
It's the coronal mass ejections that often occur in the wake of solar flares that charge-up the solar wind, and ultimately cause aurora. CMEs send clumps of magnetic field and charged particles from the sun into the solar system at up to 1,900 miles per second. If they travel in the direction of Earth—a journey that takes a few days—they can cause geomagnetic storms.
The sun has a roughly 11-year solar cycle during which its magnetic activity waxes and wanes. It’s now on the cusp of “solar maximum”—its peak period of activity—which is determined by counting sunspots on the sun’s surface. We're currently in Solar Cycle 2025, which began in 2019.Our community is about connecting people through open and thoughtful conversations. We want our readers to share their views and exchange ideas and facts in a safe space.
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