Wednesday, June 24, 2015

Wednesday, April 15, 2015

Monday, April 13, 2015

Gravitational Lensing

"Massive structures in the Universe exert such a powerful gravitational pull that they can warp the spacetime around them and act as cosmic lenses which can magnify, distort and bend the light behind them."
Link.

Sunday, November 09, 2014

Sunday, September 07, 2014