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GEOTAIL Spacecraft Homepage

(Complete Item Description)

Abstract:: Users can learn about the GEOTAIL spacecraft and its mission to study the Earth's magnetotail. Materials presented include an overview of the project, a diagram of the spacecraft, and a description of the instrument packages carried aboard the satellite.

Subject:: Science and Technology
Grade Level:: Secondary, Post-secondary
Collection:: NASA

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Geomagnetism in History

(Complete Item Description)

Abstract:: This educational brief provides a summary of the historical development of our understanding of magnetism and magnetic fields, including a listing of many of the contributions of individual scientists. Links to additional information are embedded in the text.

Subject:: Science and Technology
Grade Level:: Secondary
Collection:: NASA

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Magnetosphere- Protector of the Earth

(Complete Item Description)

Abstract:: In this activity, students will learn about the magnetosphere, the effects of solar activity, and the importance of the Earth's magnetic field in protecting living organisms from solar radiation. Background information, a materials list, procedures, outcomes, and standards are included. Links to a glossary and to additional information are embedded in the text.

Subject:: Science and Technology
Grade Level:: Secondary
Collection:: NASA

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Plasmapause Convects to the Magnetopause During Halloween Solar Storm

(Complete Item Description)

Abstract:: The plasma sphere is a region of ionospheric plasma which co-rotates with the Earth, carried by the magnetic field lines. The plasma pause marks the outer boundary of this region. This colder plasma is more easily moved by the electric fields created by strong solar storms. In the Halloween 2003 event, these fields convected some of the cold plasma out to the magnetopause (grey, semi-transparent surface) and reduced the size of the cold plasma region near the Earth. For this visualization, the 3-dimensional structure was constructed from the equatorial profile of the plasmapause (as measured by IMAGE-EUV data) by extending the region along field lines of a simple dipole field.

Subject:: Science and Technology
Grade Level:: Secondary, Post-secondary
Collection:: NASA GSFC Scientific Visualization Studio

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Solar Activity

(Complete Item Description)

Abstract:: This educational brief provides an overview of solar activity, including a description of Earth's magnetosphere and of various solar phenomena such as the solar wind, Coronal Mass Ejections (CMEs), sunspots, solar flares, and others. A list of links to additional material is also provided.

Subject:: Science and Technology
Grade Level:: Secondary
Collection:: NASA

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Studying Solar Wind and Magnetosphere Interactions

(Complete Item Description)

Abstract:: This educational brief describes the structure of Earth's magnetosphere, how it interacts with energetic particles emitted by the sun, and how it protects Earth from the effects of these particles. Short descriptions of NASA missions to study the magnetosphere, solar wind, and other particle emissions are included.

Subject:: Science and Technology
Grade Level:: Secondary
Collection:: NASA

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