... X-Ray Moon . ... Consider the image in three parts: the bright hemisphere of the x-ray moon, the darker half of the moon, and the x-ray sky background. ... Is our Milky Way Galaxy out to lunch? Recent wide field images and analyses now indicate that our home galaxy is actually still in the process of devouring its closest satellite neighbor. ... Although auroras might first appear to be moonlit clouds, they only add light to the sky and do not block background stars from view. ...