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explores the solar cycle, solar wind, Earth's magnetic field, the ionosphere, auroras, states of matter, plasma (which makes up 99% of visible matter in the universe), and other sun-earth topics. Online games let students launch solar particles at Earth, bowl with protons, and watch charged particles move in magnetic fields. Information is provided on space weather research, space weather modeling and forecasting, and the National Space Weather Program. (Multiple Agencies)
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Plasma is one of four states of matter. The other familiar three are solids, liquids and gases. Although plasma is the least familiar state of matter on Earth, it is actually the most common form of matter—in fact, plasma makes up 99% of all visible matter in the Universe. |
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Living with a star |
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