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  1. How to explain gravitational lensing to a layman?

    2019年1月2日 · Gravitational Lens. The spiral of a galaxy deforms itself visibly as it passes behind a black hole. This effect can also be simulated in our experience, and very faithfully. To do …

  2. Jupiter as a Gravitational lens? - Physics Forums

    2005年11月27日 · In summary, the conversation discussed using Jupiter as a gravitational lens for a telescope, as well as the challenges and limitations of this idea. It was also mentioned …

  3. The Sun as a gravitational lens - Physics Stack Exchange

    However, using the Sun as a gravitational lens for a radio telescope is a real possibility. There was a lecture at the SETI Institute on 11/25/2009 titled "Deep Space Flight and …

  4. How do I calculate magnification using multiple gravitational lenses?

    2011年9月24日 · Hi, I've been working on a problem involving gravitational lens, and right now I'm trying to learn the formula to calculate magnification of light due to multiple gravitational lens. …

  5. general relativity - Differences between strong, weak, and micro ...

    As I understand it, strong lensing (just as the name implies) occurs when a source and a gravitational lens are relatively close by and the lens is strong, producing extreme distortions …

  6. general relativity - Given gravitational lensing, why would black …

    2024年4月17日 · However, given that a black hole is a gravitational lens strong enough to swallow the light rays that come too close to it, shouldn't it also bend light that comes from behind, …

  7. Do gravitational lenses have a focus point? - Physics Stack Exchange

    2014年1月3日 · This object has some interesting optical properties. The $\frac{1}{r}$ potential will act as a diverging optical lens for objects far from the axis. This is why gravitational lenses can …

  8. Gravitational Lensing: Refraction or Something Else? - Physics …

    2021年7月15日 · FAQ: Gravitational Lensing: Refraction or Something Else? What is gravitational lensing? Gravitational lensing is a phenomenon in which the light from a distant object, such …

  9. Why Does Einstein's Theory Predict an Odd Number of …

    2004年2月12日 · How does gravitational lensing occur? According to Einstein's theory of general relativity, gravity is the curvature of spacetime caused by massive objects. When light travels …

  10. gravitational lensing - Axially Symmetric Lens Integration - Physics ...

    2020年9月4日 · I'm trying to understand the deflection of light due to an axially symmetric gravitational lens following chapter 2.3 of these Heidelberg lecture notes. In doing so, I …