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The top documents tagged [hi neutral hydrogen]
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Star Formation Although it is one of the fundamental processes in the Universe and has been the focus of years of research, it is only in the last decade
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M 51 Galaxy merger simulation Discussion What do you think is going to happen if two large spiral galaxies collide and merge? What happens
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Upper Stellar Mass Limit Eta Carina is a star of almost 100 solar masses. Radiation pressure is blasting off the outer parts
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