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We now offer the Cool It! card game in our Science Store. Cool It! is the new card game from UCS that teaches kids about the choices we have when it comes to climate change.
This is an image of the type-B aurora of Earth, also called the SAR ARC.
L. Frank from Dynamics Explorer

The current systems of Neptune

(?) This area of Neptune's magnetosphere is not understood very well.

If you would like to know a little bit more about current systems, why not look at current systems in the Earth's magnetosphere.

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Traveling Nitrogen Classroom Activity Kit

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

The Plasmaspheres of Neptune

Neptune has three tiny plasmaspheres. The rings of Neptune sweep away much of the particles in the area. Particles enter the plasmasphere from the atmosphere as well as the magnetotail. Mathematical theory...more

Neptune's "Scooter"

One of the many cloud patterns of Neptune is the "scooter" which was discovered by Voyager in 1989. In this image, the Great Dark Spot is found in the upper left of the image, and just below the Spot is...more

The position of Neptune when gas changed to ice

The position of the planets in the solar nebula greatly affected their 1. size and 2. composition. This is because of the effect of how cold it was in the nebula. 1. The nebula was a lot warmer close to...more

How a proto-planet sweeps up nearby material

As shown in this picture, while they were forming in the solar nebula, the nuclei of the protoplanets drew material to themselves from the cloud of gas and dust around them. The bigger a protoplanets was...more

The Structure of Neptune's Interior

There is no surface to the giant planets, only a gradual transition from the atmosphere, as depicted in this drawing. Therefore the giant planets do not have strict layers, as the terrestrial planets do....more

The Atmosphere of Triton

Triton, by far the largest moon of Neptune, is slightly smaller than Earth's Moon. Triton has the coldest surface temperatures in our Solar System. Surprisingly, this frigid moon has an atmosphere, albeit...more

Surface of Triton

Image processing can produce a view such as one might see if you were present on the surface of Triton. ...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA