Magnetosphere
Magnetosphere: the region of space surrounding an astronomical object in which charged particles are controlled by that object's magnetic field. The magnetic field near the surface of many astronomical objects resembles that of a dipole. The field lines farther away from the surface can be significantly distorted by the flow of electrically conducting plasma emitted from a nearby star. Planets with a magnetosphere, like Earth, are capable of mitigating or blocking the effects of cosmic radiation. The structure and behavior of magnetospheres are dependent on several variables: the type of astronomical object, the nature of sources of plasma and momentum, the period of the object's spin, the nature of the axis about which the object spins, the axis of the magnetic dipole, and the magnitude and direction of the flow of solar wind.
What's Popular in Magnetosphere
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FEB 21, 2021Space & Astronomy
FEB 21, 2021As we move through space, the magnetic field of the planet, which (the dynamo theory states is) generated by its metal c ...Written By: Carmen LeitchFEB 01, 2021Chemistry & Physics
FEB 01, 2021A study published in the journal Science Advances reports new measurements from NASA's Van Allen Probes spacecraft. ...Written By: Kathryn DeMuth SullivanDEC 01, 2020Chemistry & Physics
DEC 01, 2020In a collaboration between scientists in Japan and the United States, a new study has been published in the journal ...Written By: Kathryn DeMuth SullivanSEP 28, 2020Space & Astronomy
SEP 28, 2020Hurricanes don't only happen on Earth; the giant planet Jupiter is also home to swirling storms. On Jupiter, however, mu ...Written By: Carmen LeitchJUL 23, 2020Chemistry & Physics
JUL 23, 2020William Gilbert, the British physicist and physician who experimentally verified the magnetic nature of our planet, cont ...Written By: Daniel Duan
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