Detailed text transcripts for TV channel - DW - 20190114:17:51:00
Situated in canada's arctic north now it's moving in the direction of siberia at a rate of fifty kilometers a year and rising. but the magnetic field is not just shifting it's becoming weaker too this is thought to be caused by changes to the motion of swirling iron in the earth's outer core this example shows two streams becoming one near the earth's surface. or one might start to flow more quickly than the other sending the magnetic field off kilter and leading to a decrease in strength over time as a result more particles from some storms could breach the earth's magnetic shield and create ...