Astronomy Picture of the Day . ... Bright Stars, Dim Galaxy . ... These two clusters of bright, newly formed stars surrounded by a glowing nebula lie 10 million light-years away in the dim, irregular galaxy cataloged as NGC 2366. ... What makes the core of galaxy MCG-6-30-15 so bright? ... These dramatic stellar explosions that destroy stars and disperse elements that compose people and planets are not so well understood that astronomers can accurately predict when a star will explode - yet. ...