Supersonic plasma jets discovered 23 March 2017
Supersonic plasma jets discovered 23 March 2017 Information from ESA’s magnetic field Swarm mission has led to the discovery of supersonic plasma jets high up in our atmosphere that can push temperatures up to almost 10 000°C.
Swarm detects asymmetry22 March 2017
Swarm detects asymmetry22 March 2017 Strong electric currents in the upper atmosphere are known to vary according to the season, but ESA’s Swarm mission has discovered that this seasonal variation is not the same in the north and south polar regions.
Unravelling Earth’s magnetic field21 March 2017
Unravelling Earth’s magnetic field21 March 2017 ESA’s Swarm satellites are seeing fine details in one of the most difficult layers of Earth’s magnetic field to unpick – as well as our planet’s magnetic history imprinted on Earth’s crust.