... Credit: Rogelio Bernal Andreo Explanation: The clouds surrounding the star system Rho Ophiucus compose one of the closest star forming regions. Rho Ophiucus itself is a binary star system visible in the light-colored region on the image right. The star system, located only 400 light years away, is distinguished by its colorful surroundings , which include a red emission nebula and numerous light and dark brown dust lanes. ... Near the image bottom lies IC 4592, the Blue Horsehead nebula . ...