Astronomy Picture of the Day . ... What's happening at the center of spiral galaxy M83? ... M83, visible in the inset image on the upper left, is one of the closest spiral galaxies to our own Milky Way Galaxy and from a distance of 15 million light-years, appears to be relatively normal. ... 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. ...