or decades https://news.berkeley.edu/2015/03/05/distant-supernova-split-four-ways-by-gravitational-lens/ https://news.berkeley.edu/2015/03/05/distant-supernova

or decades https://news.berkeley.edu/2015/03/05/distant-supernova-split-four-ways-by-gravitational-lens/ https://news.berkeley.edu/2015/03/05/distant-supernova-split...