The Interstellar Medium, Part III, the Neutral Gas
been carried out, with Martha Haynes of Cornell spearheading the charge.
Neutral hydrogen, the backbone of the thin disks of spiral galaxies, produces radiation which at allows us to measure the total mass of the neutral gas in a galaxy, assess the rotation velocity as a function of radius, reveal the peculiarities due to mergers of galaxies and, finally, constrain the size of the universe--quite a resume for a single component of the ISM.
The copyright of the article The Interstellar Medium, Part III, the Neutral Gas in Astronomical Events is owned by Wesley Colley. Permission to republish The Interstellar Medium, Part III, the Neutral Gas in print or online must be granted by the author in writing.
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