Astronomy Picture of the Day . A Full Sky Multi Colored Auroral Corona . ... What are those bright objects in the morning sky? ... The Galactic Center in Infrared . ... In visible light, much of the Galactic Center is obscured by opaque dust. ... Using the orbiting Chandra X-ray Observatory, astronomers have taken this long look at the core of our Milky Way galaxy, some 26,000 light-years away. The spectacular false-color view spans about 130 light-years. ... NGC 7023: The Iris Nebula . ...