Einstein's General Theory of Relativity demonstrates that a large mass can deform spacetime and bend the path of light. So, a very massive object, such as a cluster of galaxies can act as a gravitational lens. With this program, one can draw images to see the effect of gravitational lensing. You can easily test the effects of several parameters by changing them and redrawing the image.

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Gravitational Lensing of Galaxies
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Einstein's General Theory of Relativity predicts that mass will distort time-space in certain ways. One of the effects that can be observed clearly is gravitational Lensing. The program produces the distorted images according to 2 models of massdensity of galaxies.
Although ... MTA Press Release
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MTA Press Release is an excellent press release posting tool, very useful for advertising purposes. Use it to quickly and easily post your messages to the editors of magazines, web archives, and information boards. Just select recipients you want to ... LotsaLotto
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LotsaLotto is a powerful random lotto number generator that allows you to generate numbers using a range of options to suit your needs. You can choose the highest and lowest ball to draw, odds or evens, sequences, duplicates and even ...

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