![](https://www.nasa.gov/sites/default/files/thumbnails/image/stsci-h-p1847a_f5400x3600.png)
Located 65 million light-years away ia a blue supergiant star that once existed inside a cluster of young stars in the spiral galaxy NGC 3938, as shown in this artist's concept. via NASA http://www.nasa.gov/image-feature/finding-an-elusive-star-behind-a-supernova