ARTEMIS Orbits Magnetic Moon

  • Released Wednesday, October 27, 2010
  • Updated Monday, November 16, 2015 at 11:30AM
  • ID: 10636
Launched in 2007, NASA's five THEMIS spacecraft have now successfully completed their 2 year mission to determine the cause of geomagnetic substorms. Because they are continuing to work perfectly, NASA is re-directing the outermost two spacecraft to special orbits at and around the Moon. This new mission, which is called ARTEMIS, uses some very complex maneuvers over two years (2009-2010) to get both spacecraft into position.

As the Moon orbits the Earth, it passes in and out of the Earth's magnetic field and the million-mile per hour stream of particles emitted by the Sun known as the solar wind. While in these regions, the two ARTEMIS spacecraft will seek evidence for turbulence, particle acceleration, and magnetic reconnection, three fundamental phenomena that control the nature of the solar wind's interaction with the Earth's magnetosphere. Employing their full complement of instruments and unique two-point vantage points, the spacecraft will study the vacuum the Moon carves out in the solar wind, and the processes that eventually fill this lunar wake. Nearer the Moon, they will observe the effects of surface electric fields, ions sputtered off the lunar surface, and determine the internal structure of the Moon from transient variations in its magnetic field induced by external changes.

Also available are the complete, unedited visualization and frames.

ARTEMIS visualization with narration and music.

For complete transcript, click here.

ARTEMIS visualization with music only, no narration.

Longer version of visualization with music.

This visualization shows one segment of ARTEMIS orbital paths set to music. In this version, the satellite trails are are constructed in a lunar-centric inertial coordinate system so the trails reveal the motion of the satellites relative to the Lagrange points in INERTIAL space (fixed with the distant stars).

For the complete, unedited visualization and frames click here

This visualization shows one segment of ARTEMIS orbital paths set to music. In this version, the satellite trails are are constructed in a lunar-centric inertial coordinate system so the trails reveal the motion of the satellites relative to the Lagrange points in INERTIAL space (fixed with the distant stars). This view stays above the satellites.

For the complete, unedited visualization and frames click here

For More Information

See http://science.nasa.gov/science-news/science-at-nasa/2010/27oct_artemis/

Credits

Please give credit for this item to:
NASA/Goddard Space Flight Center

Missions

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Tapes

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