... M78 and Reflecting Dust Clouds in Orion . ... An eerie blue glow and ominous columns of dark dust highlight M78 and other bright reflection nebula in the constellation of Orion. The dark filamentary dust not only absorbs light, but also reflects the light of several bright blue stars that formed recently in the nebula. Thirty Thousand Kilometers Above Enceladus . ... What does the surface of Saturn's ice-spewing moon Enceladus look like? ... Endeavour to Orbit . ... An Avalanche on Mars . ...