Astrophotographer captures ISS as it passes across the Sun; pic goes viral

A picture captured by an astrophotographer showing the International Space Station (ISS) passing across the Sun has gone viral. Mehmet Ergun, who took the photo on April 2 from his base in Germany, said, "I was able to photograph the ISS again. I planned the shot about three weeks ago...Every time I am fascinated and excited at the same time."