ESA title

The mission

Cluster is a constellation of four spacecraft investigating the interaction between the Sun and Earth’s magnetosphere in unparalleled detail. The magnetosphere is our shield against the charged gas that carries particles and magnetic fields outwards from the Sun.

  • Launch: 16 July and 9 August 2000
  • Observes: solar wind, magnetosphere
  • Orbit: elliptical around Earth’s poles, a few hundred to 125 000 km altitude
  • Spacecraft names: Rumba, Salsa, Samba and Tango
Cluster
The four Cluster spacecraft
Science & Exploration

Science objectives

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The four Cluster spacecraft
Agency

Cluster's decade of discovery

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Science & Exploration

Shocking recipe for making killer electrons

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Cluster II
Enabling & Support

Teamwork, skill enable quick Cluster recovery

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Looking at Jupiter to understand Earth
Science & Exploration

Cluster and Double Star: bringing the Sun-Earth connection …

18/06/2009 1458 views 1 likes
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Mars Express
Science & Exploration

ESA extends missions studying Mars, Venus and Earth’s magne…

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Earth's oxygen escaping from Earth's polar regions
Science & Exploration

Cluster watches Earth’s leaky atmosphere

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Cluster II
Science & Exploration

Cluster listens to the sounds of Earth

27/06/2008 2673 views 3 likes
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The Cluster quartet
Science & Exploration

Solitary waves in translation

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Cluster observing the electron diffusion region
Science & Exploration

New discovery on magnetic reconnection to impact future spa…

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Schematic of Earth’s night-side magnetosphere
Science & Exploration

High-speed beams of charged particles accelerate towards Ea…

06/12/2007 4217 views 6 likes
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CME observed by SOHO
Science & Exploration

Solar outburst pulls a magnetic slingshot

21/11/2007 1668 views 1 likes
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Artist's impression of the four Cluster spacecraft
Science & Exploration

Cluster monitors convection cells over the polar caps

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Cluster and other spacecraft
Science & Exploration

Cluster and Double Star uncover more on bright aurorae

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The Sun-Earth connection
Science & Exploration

Killer electrons in space are now less mysterious

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Cluster II
Science & Exploration

Pioneering 3D view of near-Earth magnetic 'dance'

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Cluster II
Science & Exploration

Cluster: ESA spacecraft flying closer than ever for better …

21/06/2007 1308 views 0 likes
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Cluster II
Agency

Cluster achieves closest-ever separation for two ESA spacec…

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Bow shock around a star
Science & Exploration

Cluster makes a shocking discovery

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Aurora before and during a substorm
Science & Exploration

Cluster sees tsunamis in space

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Solar ‘magnetic carpet’
Science & Exploration

Magnetic fields get reconnected in turbulent plasma too, Cl…

27/03/2007 2062 views 1 likes
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Magnetic reconnection observed by Cluster
Science & Exploration

Cluster opens a new window on ‘magnetic reconnection’ in th…

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Auroral arcs
Science & Exploration

Cluster – new insights into the electric circuits of polar …

09/02/2007 1915 views 1 likes
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Cut-away view of Earth’s magnetosphere
Science & Exploration

Magnetic whirlpools feed Earth’s magnetosphere

06/12/2006 2857 views 1 likes
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Cluster 2, Artist's view
Enabling & Support

Cluster muscles back from deep hibernation

06/10/2006 1163 views 2 likes
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Cluster and Double Star orbits on 8 May 2004
Science & Exploration

Details of solar particles penetrating the Earth’s environm…

03/10/2006 3730 views 2 likes
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Aurorae over Canada
Science & Exploration

ESA’s Cluster mission establishes why Earth’s aurorae shine

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Cluster encompassing a 'magnetic null' region
Science & Exploration

Cluster hits the magnetic bull’s-eye

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Earth's magnetosphere- an artist's impression
Science & Exploration

Cluster makes an effervescent discovery

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Sketch of the Earth magnetosphere
Science & Exploration

ESA’s Cluster flies through Earth’s electrical switch

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Artist's impression of the electrical and magnetic energy  event  of August 2004
Science & Exploration

Cluster and Double Star witness a new facet of Earth’s magn…

30/03/2006 1370 views 0 likes
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Artist's impression of positions of  Cluster, Wind and ACE spacecraft
Science & Exploration

Satellites see largest jet of particles created between Sun…

11/01/2006 1223 views 0 likes
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Artist's impression of cracks on a neutron star's surface
Science & Exploration

Cluster and Double Star see star crack during massive ‘star…

21/09/2005 2260 views 2 likes
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Micro turbulence seen by Cluster
Science & Exploration

From ‘macro’ to ‘micro’ – turbulence seen by Cluster

10/08/2005 2797 views 1 likes
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Composite image of CME from SOHO instruments
Science & Exploration

Scientists weather a space storm to find its origin

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The Cluster quartet
Science & Exploration

Cluster spacecraft reach greatest separation at fifth anniv…

14/07/2005 906 views 1 likes
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Large waves rock regions of the magnetosphere
Science & Exploration

ESA's Cluster sees 'squashed' magnetosphere

31/10/2003 1021 views 1 likes
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Cluster shows that black aurora are a kind of 'anti-aurora'
Science & Exploration

Cluster quartet probes the secrets of the black aurora

10/12/2001 1456 views 1 likes
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On 4 November captured by SOHO/LASCO
Science & Exploration

Solar storm blasts Cluster

13/11/2001 1268 views 1 likes
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The Earth's magnetotail - Cluster is currently investigating this region
Science & Exploration

Cluster quartet take a trip down Earth’s tail

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The magnetosphere - a natural protective bubble
Science & Exploration

Cluster's new view of near-Earth space

16/02/2001 1893 views 0 likes
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