Space Weather
Space Weather is the term scientists use to describe the ever changing conditions in space. Explosions on the Sun create storms of radiation, fluctuating magnetic fields, and swarms of energetic particles. These phenomena travel outward through the Solar System with the solar wind. Upon arrival at Earth, they interact in complex ways with Earth's magnetic field, creating Earth's radiation belts and the Aurora. Some space weather storms can damage satellites, disable electric power grids, and disrupt cell phone communications systems.
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Explore Space Weather
Introduction to Space Weather
What are scientists talking about when they say "space weather"? How is it like weather ...Read more
Space Weather Today
Like weather on Earth, space weather is constantly changing. On Earth you can simply look ...Read more
Explore Space Weather
Space weather begins at the Sun and its ever-expanding atmosphere. From the human perspective, ...Read more
Monitoring and Modeling Space Weather
How do we know what kind of "weather" we're having in space? Scientists use a network of ...Read more
Physics of Space weather
Subatomic particles zipping around through magnetized plasma - does that sound like physics ...Read more
Multimedia
Access spectacular movies and a very full image gallery to find out more about space weather ...Read more
Activities, Projects & Problems
Hands-on activities, longer term projects, and tricky problems to tickle your brain - we've ...Read more
Glossary
There is a lot of specialized language used in the field of space weather. Here are definitions ...Read more
Center for Integrated Space Weather Modeling
Visit the CISM site to read news and highlights, access presentations and seminars ...Read more
Archive
This is the "old" space weather section in case you're looking for a page that was housed there ...Read moreMore about Space Weather
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Did you know?
Did you know that the magnetic field of the Sun flips its orientation every 11 years?Did you know that the Earth’s magnetic field protects us from radiation from space?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?Dip-slip fault
xDip-slip fault : Dip-slip faults are inclined fractures where the blocks have mostly shifted vertically. If the rock mass above an inclined fault moves down, the fault is termed normal, whereas if the rock above the fault moves up, the fault is termed reverse.
Click on the word to find out!
Research Highlights
More than One: Long-Reining Microbe Controlling Ocean Nitrogen Shares the Throne
Marine scientists long believed that a microbe called Trichodesmium, a member of a group called the cyanobacteria, reigned over the ocean's nitrogen budget. New research results reported on-line today...Read more
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