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Interstellar MattersDESCRIPTION
On the Density of Neutral Hydrogen in Intergalactic Space. April 28, 2009. 8221; Within that week, Gunn and another fellow grad Bruce Peterson had persuaded themselves two things. First, the density of intergalactic neutral hydrogen between the QSO and us must be exceedingly small, since we observe the shorter wavelength photons than its own Lyman alpha. Second, QSOs can keep the diffuse hydrogen permanently ionized. The paper Gunn and Peterson 1965. Bahcall and Salpeter 1965. Using images from the Slo.PARSED CONTENT
The site had the following in the homepage, "On the Density of Neutral Hydrogen in Intergalactic Space." I noticed that the web site stated " 8221; Within that week, Gunn and another fellow grad Bruce Peterson had persuaded themselves two things." They also stated " First, the density of intergalactic neutral hydrogen between the QSO and us must be exceedingly small, since we observe the shorter wavelength photons than its own Lyman alpha. Second, QSOs can keep the diffuse hydrogen permanently ionized. The paper Gunn and Peterson 1965. Using images from the Slo."