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Fourth Swarm Science Meeting

26 July 2017

The beautiful town of Banff in Canada was the setting for one of ESA's most important scientific conferences of 2017. In March scientists convened to discuss the latest results coming from two of ESA's Earth Explorer missions: Swarm and CryoSat.

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When Swarm met Steve

21 April 2017

Thanks to social media and the power of citizen scientists chasing the northern lights, a new feature was discovered recently. Nobody knew what this strange ribbon of purple light was, so... it was called Steve.

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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.

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Swarm detects asymmetry

22 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.

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Unravelling Earth's magnetic field

21 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.

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Release of Swarm-Aurora and the Conjunction Finder

07 February 2017

Are you working on auroral science? You can use Swarm magnetic field mission data along with in-situ and ground-based data through a new easy-to-use web interface; Swarm-Aurora.

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Anatomy of a debris incident

01 February 2017

A space debris avoidance manoeuvre planned for ESA's Swarm mission proved unnecessary last week, but the close encounter highlighted the growing risk from space debris.

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Swarm debris manoeuvre aborted

25 January 2017

The orbital manoeuvre planned for 25 January has been cancelled following assessments which concluded no risk was posed to the satellite.

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Planned Swarm debris manoeuvre looks good

24 January 2017

The Space Debris Office at ESOC have updated their conjunction alert based on the on-going Swarm manoeuvre planning and the news is positive.

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Swarm - ESA teams respond to debris risk

24 January 2017

For the past few days, experts from ESA's Space Debris Office at ESOC in Darmstadt, Germany, have been assessing a conjunction (read: collision) forecast issued by the US armed forces' Joint Space Operations Center (JSpOC) located at Vandenberg Air Force base in California.

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There's a jet stream in our core

19 December 2016

We would normally associate jet streams with the weather but, thanks to ESA's magnetic field mission, scientists have discovered a jet stream deep below Earth's surface - and it's speeding up.

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Swarm reveals why satellites lose track

28 October 2016

Satellite engineers have been puzzling over why GPS navigation systems on low-orbiting satellites like ESA's Swarm sometimes black out when they fly over the equator between Africa and South America. Thanks to Swarm, it appears 'thunderstorms' in the ionosphere are to blame.

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Magnetic oceans and electric Earth

04 October 2016

Oceans might not be thought of as magnetic, but they make a tiny contribution to our planet's protective magnetic shield. Remarkably, ESA's Swarm satellites have not only measured this extremely faint field, but have also led to new discoveries about the electrical nature of inner Earth.

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Earth's magnetic heartbeat

10 May 2016

With more than two years of measurements by ESA's Swarm satellite trio, changes in the strength of Earth's magnetic field are being mapped in detail.

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Seven ESA satellites team up to explore Earth's magnetic field

01 July 2015

For the first time ever, two of ESA's flagship space missions - Cluster and Swarm - have joined forces to simultaneously measure the properties of Earth's magnetic field at two different altitudes.

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Magnetic complexity begins to untangle

22 June 2015

After a year in orbit, the three Swarm satellites have provided a first glimpse inside Earth and started to shed new light on the dynamics of the upper atmosphere - all the way from the ionosphere about 100 km above, through to the outer reaches of our protective magnetic shield.

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Swarm reveals Earth's changing magnetism

19 June 2014

The first set of high-resolution results from ESA's three-satellite Swarm constellation reveals the most recent changes in the magnetic field that protects our planet.

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Swarm's precise sense of magnetism

07 May 2014

Although they were launched only five months ago, ESA's trio of Swarm satellites are already delivering results with a precision that took earlier missions 10 years to achieve.

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Swarm heads for new heights

06 February 2014

Some tricky manoeuvres are now under way to steer ESA's trio of Swarm satellites into their respective orbits so that they can start delivering the best-ever survey of our magnetic field.

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End of the beginning for Swarm trio

26 November 2013

Reaching a significant milestone for ESA's magnetic field mission, the Swarm satellites have completed the critical first phase of their new mission.

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