It was launched from giant solar tendrils, known as solar filaments the sun On Saturday (September 16), an extremely hot plasma explosion known as a coronal mass ejection (CME) shot toward Earth.
The US National Oceanic and Atmospheric Administration (NOAA) has issued a G2 moderate geomagnetic storm watch while monitoring the geomagnetic portion of the planet. Continuing medical education It is expected to arrive on September 19.
This could be good news for aurora chasers. If the CME arrives as expected, it could trigger a geomagnetic storm similar to the one on September 12 that sparked… twilight south to Colorado and Missouri, According to Spaceweather.com.
Related: Scientists may finally know why the Sun’s outer atmosphere is so strangely hot
Solar physicist Keith Strong took it upon himself X (formally known as Twitter) to express his happiness at the massive eruption. “The largest filamentous eruption I have ever seen! I have been observing the sun professionally for over 50 years, and this is the largest filamentous eruption I have ever seen.”
The biggest explosion I’ve ever seen! I have been observing the Sun professionally for over 50 years, and this is the largest filamentous explosion I have ever seen. Note that it covers more than half of the Sun, compare it to the size of Earth (inset) but surprisingly it does not produce a significant flare. pic.twitter.com/RgplcTy0ApSeptember 17, 2023
Geomagnetic storms are disturbances Earth’s magnetic field Caused by solar material released by coronal ejections – large ejections of plasma and magnetic fields from the atmosphere Sun atmosphere.
Noah Geomagnetic storms are classified on a scale from G1, which can cause increased auroral activity around the poles and slight fluctuations in energy supply, up to G5, the most extreme level that can cause a complete high-frequency (HF) radio blackout over the entire planet. Sunlit side Land It lasts for several hours.
A G2 storm expected on Tuesday (September 19) could produce widespread auroral displays and, according to NOAA, could lead to limited interruption of high-frequency radio communications on the sunlit side and possible loss of radio communication for up to tens of minutes. There may also be a degradation of low-frequency navigation signals for tens of minutes.
We can expect more extremes Space climate Events as the sun moves toward its zenith The solar activity cycle is 11 years longThis is expected to happen in 2025. But like the weather on Earth, space weather is fickle and forecasts can change.
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