Difference between revisions of "Gravitational Lensing"
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− | Questions in this category have been asked by PJ, MT | + | Questions in this category have been asked by PJ, MT and SR |
*How can you use gravitational lensing to determine H0? | *How can you use gravitational lensing to determine H0? | ||
**What is the deflection of light by sun using newtonian mechanics? (calculate it, do the integral) | **What is the deflection of light by sun using newtonian mechanics? (calculate it, do the integral) | ||
**Compare it with the GR result | **Compare it with the GR result | ||
+ | |||
+ | *What kind of objects can cause gravitational lensing? | ||
+ | **what's the smallest thing we know that cause lensing? |
Revision as of 22:47, 11 December 2007
Questions in this category have been asked by PJ, MT and SR
- How can you use gravitational lensing to determine H0?
- What is the deflection of light by sun using newtonian mechanics? (calculate it, do the integral)
- Compare it with the GR result
- What kind of objects can cause gravitational lensing?
- what's the smallest thing we know that cause lensing?