Universe: Stars And Galaxies
Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 23, Problem 46Q
To determine

The existence of WIMPs be either a form of exotic dark matter or “ordinary” matter and definition for exotic dark matter.

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To what does cold refer to the term "cold dark matter"? Why do models of large-scale structure agree best with the dark matter being "cold"?
If the book's example of the Schwarzchild radius of the supermassive black hole Sag A* with a mass of ~4 million (aka 4*10^6) solar masses is approximately 1.2*10^10 m (or rewritten as 12*10^9 m), what would be the Schwarzchild radius of something with the mass of Jupiter (~0.001 or 10^(-3) solar masses) be? How does this compare to the size of an average person (~1.5 m)?
Is there a way to quantify Dark Matter?
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