One of the most spectacular instances of gravitational lensing I’ve seen: watching a star blow up, over and over. <a href="http://www.nytimes.com/2015/03/06/science/astronomers-observe-supernova-and-find-theyre-watching-reruns.html?_r=0">http://www.nytimes.com/2015/03/06/science/astronomers-observe-supernova-and-find-theyre-watching-reruns.html?

Eric Wagoner

@ewagoner