Constellation of three satellites that form the Earth Explorer Swarm mission. Swarm will lead to new insights into the Earth system by improving our understanding of the magnetic field.
Unravelling the intricacies of Earth's magnetic field
7 January 2014
This week in the Planet Earth Podcast: Ciaran Beggan and Tom Shanahan of NERC's British Geological Survey explain why accurately measuring the Earth's magnetic field is so important.
Click the play button above to listen now.
A full text transcript is available.
If there's a subject you'd like to hear about in the Planet Earth Podcast, then let us know. Email your ideas to firstname.lastname@example.org or if you're on Facebook or Twitter, contact us there – see the links below.
Interesting? Spread the word using the 'share' menu on the top right.