Difference between revisions of "Dynamics"

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*What do you know about the galactic rotation curve?  
 
*What do you know about the galactic rotation curve?  
 
**How are distances measured on it?
 
**How are distances measured on it?
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*What's dark matter?
 +
**How do we know it exists?
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**What is the dark matter fraction for the MW?  Universe?  Why the difference? (MT)
 +
*What is the circular velocity of the sun around the galactic center? What is its distance from the GC? Orbital period?
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*Plot the position of the sun on a galactic rotation curve
 +
*How will u estimate the following WITHOUT using the Jeans equation: radial dependence of the density of dark matter, the amount of DM in the local neighborhood
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*Does the virial theorem hold in General Relativity?
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*How did Zwicky find dark matter?  What method did he use?
 +
*How is the Jean's wavelength derived from the Boltzmann Equation?  What is the Jean's Swindle?
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[[Astrophysics]]

Latest revision as of 16:57, 25 April 2011

Questions in this category have been asked by

  • What do you know about the galactic rotation curve?
    • How are distances measured on it?
  • What's dark matter?
    • How do we know it exists?
    • What is the dark matter fraction for the MW? Universe? Why the difference? (MT)
  • What is the circular velocity of the sun around the galactic center? What is its distance from the GC? Orbital period?
  • Plot the position of the sun on a galactic rotation curve
  • How will u estimate the following WITHOUT using the Jeans equation: radial dependence of the density of dark matter, the amount of DM in the local neighborhood
  • Does the virial theorem hold in General Relativity?
  • How did Zwicky find dark matter? What method did he use?
  • How is the Jean's wavelength derived from the Boltzmann Equation? What is the Jean's Swindle?

Astrophysics