Back to photostream

Phosphene XIX

A gravitational lens refers to a distribution of matter (such as a cluster of galaxies) between a distant source and an observer, that is capable of bending the light from the source, as it travels towards the observer. This effect is known as gravitational lensing.

- Fritz Zwicky

 

www.youtube.com/watch?v=b7sJwiZhdvw

 

2534=071115

2,133 views
43 faves
10 comments
Uploaded on November 9, 2015
Taken on November 7, 2015