Surf these sites: Centre for Cosmic Chemistry and Physics -- at the University College London. Cutting edge scientific research into the chemistry which occurs throughout the Universe in interstellar space. Colorado Model of the Local Interstellar Cloud -- The hydrogen cloud in which the Solar System is immersed. 3D pictures of the cloud, view from any direction, movie, calculate hydrogen column density in any direction. Nebulae -- Part of a larger site on plasma physics. The Web Nebulae -- About fifty stunning images.
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