Satellite data reveal that a weak region in Earth's magnetic field has grown by an area roughly half the size of continental Europe in the last 10 years.

A giant weak spot in Earth's magnetic field is getting bigger — and it could be bad news for satellites

Source: space
Source Link: https://www.space.com/astronomy/earth/a-giant-weak-spot-in-earths-magnetic-field-is-getting-bigger-and-it-could-be-bad-news-for-satellites