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Interstellar Hydrides

Neufeld, David A.; Gerin, Maryvonne; Goicoechea, Javier R.

Interstellar hydrides—that is, molecules containing a single heavy element atom with one or more hydrogen atoms—were among the first molecules detected outside the solar system. They lie at the root of interstellar chemistry, being among the first species to form in initially atomic gas, along with molecular hydrogen and its associated ions. Becau…