Don't believe the light: Supernova in 'Einstein Cross' is a cosmic trick

An exploding star goes supernova only once – but if you’re really, really lucky, you might just get to see it happen four times. An international team has discovered four separate images of the same distant supernova arranged in the shape of a cross – and this unusual trick of...



via L.A. Times - Science http://ift.tt/1DQxdic