Our magnetic Earth

Our magnetic Earth

The Earth's magnetism results from vast electrical currents generated by motions in our planet's liquid metal core. The Earth's magnetic field is a fundamental aspect of our natural environment that provides protection from the charged particles that stream from the sun.  Yet it is far from steady – the magnetic pole in the northern hemisphere is moving towards Siberia and the field strength is being used in the South Atlantic.  There are many unresolved questions regarding the mechanism of generating the field and driving its changes. This talk will provide an overview of the Earth's magnetism, describe recent progress using magnetic observations from satellites to track its changes in great detail, and discuss what this is teaching us about the electromagnetism of Earth's deep interior.

Info box:

Our magnetic Earth

Date: 2. Nov 2020
Time: 19:30-22:30

Lecturer: Professor Chris Finlay
Institution: DTU Space

The lecture will be held: Auditorium 1, H.C. Ørsted Building, Universitetsparken 5, 2100 Copenhagen Ø

Please note that parking is not allowed in front of the main entrance to Universitetsparken 5. You can park between the H.C. Ørsted Building and August Krogh Building, in the slightly makeshift car park right next to the new construction, but it requires a special Parking permit. Parking permits can be obtained from SNUs representative at the main entrance to University Park 5 between 10:00 and 18:00. 18:45 - 7:15 pm and must be filled in with car number and date and placed in the windscreen. Easypark can be parked along Nørre Allé. There is good public transport to University Park, buses 184, 185 and 150S all have stops at University Park, and bus 6A has stopped nearby.

The lecture is part of HCØ2020: The celebration of the 200th anniversary of H.C. Ørsted's discovery of electromagnetism and is supported by the Carlsberg Foundation.