... NGC 891 Edge On . ... The spiral galaxy spans about 100 thousand light-years and is seen almost exactly edge-on from our perspective. ... At first glance, it has a flat, thin, galactic disk and a central bulge cut along the middle by regions of dark obscuring dust . ... And remarkably apparent in NGC 891's edge-on presentation are filaments of dust that extend hundreds of light-years above and below the center line. ... Publications with keywords: spiral galaxy - NGC 891 . ... M83 Star Streams . ...