... above the nucleus, which is near the center of the frame) may be a piece of the comet's icy crust that was ejected into space by a combination of ice evaporation and the comet's rotation, and which then disintegrated into a bright cloud of particles ...
... In this image of IRAS 04248+2612, the infrared eyes of the Near Infrared Camera and Multi-Object Spectrometer (NICMOS) peer through a dusty cloud to reveal a double-star system in formation. ...
... STScI-PRC96-23a SUPER-SHARP VIEW OF THE DOOMED STAR ETA CARINAE A huge, billowing pair of gas and dust clouds are captured in this stunning NASA Hubble Space Telescope image of the supermassive star Eta Carinae. ...
... Res. 150 dpi - 132K . High Res. 300 dpi - 309K . Haro 6-5B is a nearly edge-on disk surrounded by a complex mixture of wispy clouds of dust and gas. ...
... The nebula is really a large cloud of dust and gas ejected by the star, expanding at ... towards us by dust particles in the cloud, giving it its overall appearance ... dense shells of matter within a smooth cloud, and show that the rate of mass ...
... X-ray emission from young stars on the ionization level of a fractal molecular cloud ... Symposium 197, "Astrochemistry: From Molecular Clouds to Planetary Systems", Sogwipo ... The fractional ionization in molecular cloud cores . P. Caselli . ...
... 1999, ApJ, 521, 691 . Scale-free equilibria of isopedic polytropic clouds . ... 1999, A&A, 348, 227 . CO depletion in the starless cloud core L1544 . ... 1999, ApJ, in press . Depletion of CO in a cold dense cloud core of IC5146 . ...
... Symmetries, magnetic fields, and the shape of molecular cloud cores . D. Galli . ... Monte Carlo radiative transfer in molecular cloud cores . ... A , 2003, in press . N2H+(1-0) survey of massive molecular cloud cores . ...