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This page describes El Nino and the Southern Oscillation and how they may contribute to severe weather and the destruction of sensitive ecosystems such as coral reefs. It features text, pictures, scientific illustrations, and links to satellite information and weather-related science activities.
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National Science Education Standards (NSES): Read
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This movie brings attention to humanity's fascination with the Sun, and how it has been viewed by various civilizations in the past. A link is provided to a document that describes the Sun's physical characteristics and properties.
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This movie shows a total eclipse of the Sun which occurred in 1994. It is accompanied by a link to a written description of the Sun's physical characteristics.
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This movie was assembled from images captured by the Solar Heliospheric Observatory (SOHO). It depicts a doomed comet curving in towards the sun and not reappearing, apparently having evaporated in the sun's atmosphere.
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At this site, users can view and download videos on a variety of space-related topics including exploration, astronomy, the Earth, historic moments in exploration, and the search for extraterrestrial life.
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This movie shows global seasonal variations in green leaf area index, sea ice cover, and snow cover on land.
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This movie shows the total eclipse of the Sun which occurred on November 3, 1994.
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This animation shows the path that a solar eclipse takes across the Earth. The umbra and penumbra are clearly defined, and it is possble to see the regions on Earth's surface where the eclipse is total.
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This collection of computer-generated animations shows glaciers and glacial landforms in the vicinity of Glacier Bay, Alaska. An introductory animation shows how the "fly-bys" are created.
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This animation shows the retreat of the Muir Glacier between 1941 and 1982. A scale bar gives some idea of the distance involved.
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