Giant magnetic storm on Earth!
author: Amber Feng
2025-01-03
Affected by the coronal mass ejection activity, the Earth began at 11:00 on January 1, Beijing time, and at 2:00 on January 2, the Earth appeared significant geomagnetic activity, including a large geomagnetic storm with a global geomagnetic index of 8 occurred from 23 on January 1 to 02 on January 2. At present, the geomagnetic field has gradually recovered. The magnetic storm process is over.
With the occurrence of magnetic storms, the electron density in the Earth's ionosphere increased significantly compared to the previous day, and positive disturbances appeared in the ionosphere over China, ionospheric scintillation occurred in many places in the south, and auroral absorption occurred in the polar region, which is expected to have a certain impact on the middle and low frequency bands of high-frequency communication in high latitudes. For ionospheric susceptible systems such as drones and automated agricultural machines, attention should also be paid to the subsequent effects.
In addition, there are also a large number of auroral records in Xinjiang, Inner Mongolia and other places.
Geomagnetic storms are typical solar eruptions. When the sun erupts, there will be a coronal mass ejection, a ejection can be hundreds of millions of tons of solar material at a high speed of hundreds to thousands of meters per second thrown away from the surface of the sun, these materials contain huge energy, once they come toward the Earth, hit the Earth, will cause the direction and size of the Earth's magnetic field changes, which is geomagnetic storms.
As for the questions that many netizens are concerned about, will geomagnetic storms affect the human body? This is not to worry about, because the magnetic field changes generated by geomagnetic storms are actually very small, not as strong as the "magnet stone" and "magnetic hook" used daily in our families, we do not need to care about it. However, strong geomagnetic activity may affect the animals' ability to migrate and navigate. For example, for homing pigeons, which use the sun and the earth's magnetism to navigate, the effects of geomagnetic storms can be dramatic.
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