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This press release examines evidence of a possible new triggering mechanism for coronal mass ejections (CMEs) from the Sun. Scientists using data from the Yohkoh and SOHO satellites noticed that interconnecting X-ray loops, as they disappeared, were followed by looplike CMEs that erupted off to one side. Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Journal article
Subject: Physics, Space science
 
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This press release examines recent evidence that the rate of global warming is accelerating, and that in the past twenty-five years it achieved the rate of two degrees Celsius per century, a rate that had been predicted for the twenty-first century. Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Journal article
Subject: Atmospheric science, Climatology
 
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This collection of sounds contains recordings of five types of electromagnetic or radio emissions produced by the magnetosphere. The sounds are accompanied by written descriptions of how they are propagated and by spectrograms which provide a graphic display of their frequency distributions. Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Ref. material, Sound
Subject: Physics
 
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This article discusses the United States' increasing vulnerability to natural disasters because of population and infrastructure concentrations in disaster-prone areas. Topics include the high cost of earthquakes, hurricanes, and tornadoes, a discussion of the frequency and severity of these events, changes in population and wealth as measured by revenue, and ways to decrease hazard vulnerability. Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Visualization - scientific, Ref. material
Subject: Environmental science, Natural hazards
 
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This collection of GOES satellite imagery features still pictures and movies of weather phenomena and landforms. The collection is divided into east and west sectors. A selection of "scrapbooks" archives images from previous GOES missions. Links to news and information are also included. Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Imagery - remotely sensed, Government portal
Subject: Atmospheric science
 
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This collection of visualizations was made from Landsat imagery. Many of these visualizations are designed to show changes in our environment through time. Subjects include glacial retreat, urban growth, landforms and coastlines, floods, fires, deforestation, volcanism, and others. Full description.
Grade level: High (9-12), College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Visualization - scientific
Subject: Environmental science, Space science
 
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The information provided here includes general and technical information, data products, and links for all Landsat satellites and instruments up to the latest, Landsat 7, launched in 1999. Topics include a project description with objectives, orbit information, investigations of technical problems, an image gallery, information on searching and ordering data products, and links to sites that feature ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Government portal
Subject: Space science
 
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This site presents a brief account of the Near Earth Asteroid Rendezvous (NEAR) flyby of the asteroid 253 Mathilde. Materials include descriptions of the NEAR mission, pre-encounter optical navigation, science objectives, images, and animations. Links to related topics are included. Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16)
Resource type: Imagery - remotely sensed, Video, Ref. material, Remotely sensed dataset
Subject: Space science
 
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Visitors to this site can learn about conditions necessary to view auroras from their geographical location. Materials provided include an explanation of geomagnetic activity and maps showing its distribution, and an explanation of how geographic latitude differs from magnetic latitude, with tables showing magnetic latitudes for major cities around the world. Links are provided to auroral activity ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16)
Resource type: Map, Ref. material, Remotely sensed dataset
Subject: Space science
 
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This training module was designed to help the user identify and grasp basic concepts associated with space travel and deep space missions. Separate sections deal with topics such as the physical environment of space (solar system, gravity, orbital mechanics), flight projects (mission concepts, system requirements, design, onboard systems and instruments), and flight operations (launch, cruise, encounter). ... Full description.
Grade level: High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Illustration - scientific, Glossary, Ref. material
Subject: Space science
 
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