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A rendering of the magnetic field lines of the magnetosphere of the Earth. In astronomy and planetary science, a magnetosphere is a region of space surrounding an astronomical object in which charged particles are affected by that object's magnetic field. [1] [2] It is created by a celestial body with an active interior dynamo.
Data from Mariner 10 led to its discovery in 1974; the spacecraft measured the field's strength as 1.1% that of Earth's magnetic field. [10] The origin of the magnetic field can be explained by dynamo theory. [11] The magnetic field is strong enough near the bow shock to slow the solar wind, which induces a magnetosphere. [12]
The function of longitude is zero along zero or more great circles passing through the North and South Poles; the number of such nodal lines is the absolute value of the order m. The function of latitude is zero along zero or more latitude circles; this plus the order is equal to the degree ℓ. Each harmonic is equivalent to a particular ...
The amount of solar wind energy and plasma entering the actual magnetosphere depends on how far it departs from such a "closed" configuration, i.e. the extent to which Interplanetary Magnetic Field field lines manage to cross the boundary. As discussed further below, that extent depends very much on the direction of the Interplanetary Magnetic ...
The magnetosphere of Saturn is the second–largest magnetosphere in the Solar System after that of Jupiter. [3] As with Earth's magnetosphere, the boundary separating the solar wind's plasma from that within Saturn's magnetosphere is called the magnetopause. [2]
The Social Security Fairness Act, which would increase benefits for 2.8 million retirees, has bipartisan support but time running out.
Eric Leas, Ph.D., lead study author and assistant professor at the Herbert Wertheim School of Public Health and Human Longevity Science, discussed the findings in a conversation with Fox News Digital.
[1] In physics , the dynamo theory proposes a mechanism by which a celestial body such as Earth or a star generates a magnetic field . The dynamo theory describes the process through which a rotating, convecting , and electrically conducting fluid can maintain a magnetic field over astronomical time scales.