Near-Earth Space Weather Today
Space Weather Today
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The thermosphere is a layer of Earth's atmosphere. The thermosphere is directly above the mesosphere and below the exosphere. It extends from about 90 km (56 miles) to between 500 and 1,000 km (311 to...more
Radiation comes in two basic types: electromagnetic radiation transmitted by photons, and particle radiation consisting of electrons, protons, alpha particles, and so forth. Electromagnetic radiation,...more
The Earth has a magnetic field with north and south poles. The Earth's magnetic field reaches 36,000 miles into space. The magnetic field of the Earth is surrounded in a region called the magnetosphere....more
The plasmasphere is a donut-shaped region inside the Earth's magnetosphere. It is basically an extension of the ionosphere, or the topmost part of the Earth's atmosphere. The magnetic field lines of the...more
The Earth's radiation belts are just one part of the system called the magnetosphere. The radiation belts of the Earth are made up of electrons, protons and heavier atomic ions. These particles get trapped...more
Interested in doing a project related to space weather for a science fair? The Stanford SOLAR Center provides information about space weather monitors that you can build yourself, including the Sudden...more
There is a giant magnetic "bubble" in space around the Sun. That "bubble" is called the heliosphere. In a sense, we Earthlings live within the outer atmosphere of our Sun. The solar...more