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\nNASA | ARTEMIS Orbits Magnetic Moon\n

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\n\nPublisher:\n\nNASA\n\n\n
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\nLaunched 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...\nLaunched 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.


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Resource Details

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Educator Rating
Not yet Rated
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Media Length
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3:07
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Grade
3rd - 11th
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Subjects
Science
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Media Type
Instructional Videos
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Source:
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\nNASA Goddard\n\n
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Date
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2010
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Language
English
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Audiences
For Teacher Use
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Fine Print: Educational Use
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Concepts

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nasa, solar wind, space
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scott wiessinger, goddard, moon, artemis, magnetic, magnetic field, lunar orbit, artemis spacecraft, orbit, mission, spacecraft, determine, position, move, earth, point, interaction
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