Satellites and spacecraft malfunction as Earth's magnetic field mysteriously weakens

Ученые В магнитном поле Земли возникла аномалия

Even though the Earth's magnetic field looks just like a bar magnet, with two poles on either end, the way it's generated is much more complex. Scientists have observed that there is a large region that has the reduced effect of magnetic intensity between the region of South America and Africa - called as South Atlantic Anomaly and this is known to be formed a centre of minimum intensity within the span of five years.

The biggest impact of a magnetic field reversal will be on the birds, turtles, and more animals that are using the field to navigate.

For years, the weakened field has been on the experts' radar - they know it has lost nine percent of its intensity over the past 200 years.

Pole reversal is when the north and south magnetic poles flip.

While this is not going to affect or alarm the general public to a huge extent, it is causing technical difficulties for various satellites and spacecrafts, as the magnetic field getting weaker, charged particles from the cosmos can penetrate through to the altitudes that low-Earth orbiting satellites fly at. This discovery was made by a team at the European Space Agency (ESA) who got the data from the agency's Swarm constellation - this is a cluster of satellites.

"However, one thing is certain: magnetic field observations from Swarm are providing exciting new insights into the scarcely understood processes of Earth's interior".

Daily Mail writes that Jürgen Matzka, from the German Research Center for Geosciences, said the following: "The new, eastern minimum of the South Atlantic Anomaly has appeared over the last decade and in recent years is developing vigorously". Well, the geographic North Pole stays fixed over time (mostly because we define it to stay fixed over time) but the magnetic north pole constantly moves. The results indicate that the South Atlantic Anomaly could break into two separate cells. "The challenge now is to understand the processes in Earth's core driving these changes".

And when this happens, multiple magnetic poles from north and south are popping up around the Earth.

This current anomaly creating the havoc on satellites and other space craft's that are flying in the space through the area are experiencing the technical malfunctions. This event has occurred few times in the history of our planet, as per the scientists and we are long overdue by the average rate at which these reversals take place (roughly every 250,000 years).



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