We, humans, like to think that we know about and can control everything that happens on our planet. But it is far from the truth. Because right now, somewhere above our heads, in addition to Climate Change, the Earth's magnetic field keeps weakening at an alarming speed. And the region that concerns scientists more than any other is called the South Atlantic Anomaly. The magnetic field in this area is so weak that it's dangerous for satellites to enter it. This process started more than 1,000 years ago. The situation is so serious that scientists don't deny that one day, the Earth's magnetic poles might simply flip, with North becoming South and vice versa. Although it may sound scary and confusing, this phenomenon has been happening throughout the history of our planet. The last time it occurred was approximately 780,000 years ago. Other videos you might like:
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The Earth's magnetic poles might flip 1:11
The South Atlantic Anomaly. What is it? 1:57
What is affecting the magnetic field of the planet? 5:18
What will happen when south turns north 6:19
What if Earth lost its magnetic field altogether 7:05 #BermudaTriangle #earth #brightside SUMMARY:
– Experts are still not sure if such a flip is imminent this time because it’s not an instant change. Nope, it's a long process that might suddenly reverse, like it happened 40,000 years ago when Earth was close to renaming its North Pole to the South one. – Nowadays, the region that worries scientists the most is the South Atlantic Anomaly – a vast region stretching from Zimbabwe to Chile. The magnetic field in this area is so weak that it's dangerous for satellites to enter it.
– The Space-X CRS-1 Dragon spacecraft almost went out of control in October 2012. Attached to the International Space Station, it had serious problems while passing through the magnetic anomaly.
– The truth is that people have known about the changes in the magnetosphere for quite some time. But no one was sure if it was an anomaly, or a perfectly usual pattern that had existed for millions of years.
– It appears as if something hidden deep under Africa is affecting the magnetic field of the whole planet! The current weakening of the Earth's magnetosphere seems to be connected to a huge reservoir of super dense rock that sits a whopping 1,800 miles under the continent. – And even though the pole reversal I've told you about could start anywhere in the Earth's core, places like the South Atlantic Anomaly are the most likely sources of the dramatic changes.
– Scientists are still not sure whether the pole reversal will happen at all, since the events of the most recent 160 years can be just a part of a bigger-scale pattern. – With our planet's magnetic field gone, compasses wouldn't align north-to-south anymore. Even a small piece of magnetic rock would be able to make your compass show the wrong direction or start to "wander." – Without magnetic fields, birds would stop their seasonal migrations.
– On top of that, without Earth's magnetic field, you might never again see auroras or, as they’re also called, Northern and Southern lights. – Our magnetic field protects the planet from being bombarded by streams of deadly radioactive particles. – The outcome of losing the magnetic field would be the disappearance of the air we breathe – and the solar wind would be the one to blame. This wind is so powerful that it would easily rip the planet's atmosphere off its gases. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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