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The Jeans mass is named after the British physicist Sir James Jeans, who considered the process of gravitational collapse within a gaseous cloud. He was able to show that, under appropriate conditions, a cloud, or part of one, would become unstable and begin to collapse when it lacked sufficient gaseous pressure support to balance the force of gravity.
Sir James Hopwood Jeans OM FRS [1] (11 September 1877 – 16 September 1946 [2]) was an English physicist, mathematician and an astronomer.He served as a secretary of the Royal Society from 1919 to 1929, and was the president of the Royal Astronomical Society from 1925 to 1927, and won its Gold Medal.
Jeans Equation simulations place limits on the size of this halo. An example of such an analysis is given by the constraints that can be placed on the dark matter halo within the Milky Way. Using Sloan Digital Sky Survey measurements of our Galaxy, researchers were able to simulate the dark matter halo distribution using Jeans equations. [8]
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Firehose instability (a.k.a. hose instability), not to be confused with the similarly named Firehose instability in galactic dynamics; Fish instability, Free electron maser instability, Gyrotron instability, Helical (Helix) instability, Jeans instability, [23] [24] Magnetic buoyancy instability. Interchange instability (a.k.a. flute instability ...
The world’s most famous market indicator just suffered its longest losing streak since Jimmy Carter was in the White House. The Dow Jones Industrial Average closed lower by 267 points on Tuesday ...
$53.99 at amazon.com. However, the scientists theorized that walking at faster speeds could leave you breathless, which makes your body more likely to use blood sugar (a.k.a. glucose) for energy ...
A 7-year-old boy accidentally shot and killed his 2-year-old brother inside a truck parked in a California shopping center, authorities said.. On Monday, just before 4 p.m. local time, the boy ...
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