This content is not available in your region

Measuring earth's vital magnetic field

Measuring earth's vital magnetic field
By Euronews

<p>Earth’s magnetosphere is an invisible shield, protecting our planet from harmful solar radiation. </p> <p>Many living organisms – from bacteria to insects or birds – seem to rely on Earth’s magnetic field to navigate. Man has been doing so for a thousand years since the invention of the compass. </p> <p>But research shows the magnetic field is weakening and scientists are trying to understand why. </p> <p>Some believe it signals a pole reversal in progress, not an uncommon phenomenon in the history of our planet.</p> <p>As ground observatories fail to grasp the whole picture, we are sending magnetometers into orbit to try to measure the magnitude and the direction of the magnetic field. </p> <p>Find out more, this week, in Space.</p> <p><a href="http://www.youtube.com/subscription_center?add_user=euronewsknowledge"><img src="https://static.euronews.com/articles/223088/493x225_knowledge-youtube-design_2120x1192_vega_v2.jpg"/></a></p>