Difference between revisions of "Cosmology"
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| − | Questions in this category have been asked by MT | + | Questions in this category have been asked by MT, PJ |
*Describe the evolution of the Universe backwards in time from now to the beginning. Include the relative abundances of ALL particles (bosons & fermions) in the description. | *Describe the evolution of the Universe backwards in time from now to the beginning. Include the relative abundances of ALL particles (bosons & fermions) in the description. | ||
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*What is CMB anisotropy? | *What is CMB anisotropy? | ||
**What is the value and the position of the first acoustic peak and its physics? | **What is the value and the position of the first acoustic peak and its physics? | ||
| + | *What do you know about the CMB spectrum? | ||
*Why do we need BBN to account for the abundance of He? | *Why do we need BBN to account for the abundance of He? | ||
*Why can't BBN produce heavier elements but a star can? | *Why can't BBN produce heavier elements but a star can? | ||
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| + | *What do you know about dark energy? | ||
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| + | *What is the Lyman-alpha forest? | ||
Revision as of 20:23, 10 March 2007
Questions in this category have been asked by MT, PJ
- Describe the evolution of the Universe backwards in time from now to the beginning. Include the relative abundances of ALL particles (bosons & fermions) in the description.
- What is Omega_DarkMatter?
- Can it be neutrinos & how do we know?
- What is the flatness problem?
- How can you use inflation to explain it? (using Freedman eqs)
- What are other importances of inflation?
- What is CMB anisotropy?
- What is the value and the position of the first acoustic peak and its physics?
- What do you know about the CMB spectrum?
- Why do we need BBN to account for the abundance of He?
- Why can't BBN produce heavier elements but a star can?
- What do you know about dark energy?
- What is the Lyman-alpha forest?
