NEBULAE & STAR CLUSTERS A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Rho Ophiuchi Nebula Photo: NOAO, AURA, NSF A complex of nebulae in the constellation Ophiuchus that is one of the nearest star-forming regions to the Sun at a distance of some 540 light-years. Colorful emission nebulae and reflection nebulae together with dark clouds make up the complex, which takes its name from one of the bright stars within the nebulosity, Rho Ophiuchi. Related entry    • Scorpius-Centaurus Association Related category    • NEBULAE AND STAR CLUSTERS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP