On the possibility of baryon acoustic oscillation measurements at redshift z > 7.6 with the Roman space telescope
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Large red shifts detected in spectrum of two more quasi-stellar radio sources at Lick Observatory
Spectral red shift of 14 quasi-stellar radio sources tabulated and confirmed from Lick Observatory position and color measurements
Forms of red shift magnitude relation for Friedmann type relativistic model universes
Spectrophotometric data correlations between color and red shifts of quasars
Red shift and absorption line of PKS 0237-23
Red shifts of radio galaxies observed spectroscopically with 120-inch telescope, using prime focus and image tube
Quasar models examined for gravitational red shift
Absorption red shifts in quasar spectra from spectroscopic observations of PHL 5200 and B194
Bolometric luminosity-red shift relations of Friedmann dust universes corrected for inhomogeneities, using locally inhomogeneous Swiss cheese models
Quasars red shifts distribution interpreted as due to cosmological and gravitational red shifts distribution, noting analysis error
Strong and weak emission red shifts of N galaxy 3C 390.3 in Balmer lines, indicating nonisothermal source and gas ejection
Large and small red shift quasars relative probability correlation with cataloged galaxies clusters direction
A hydrogen maser clock is proposed for enclosure in an orbiting satellite to measure the gravitational effect on time scales with high accuracy. This experiment is used to test the principle of equivalence for clocks in space. Extremely narrow linewidth of Fe-57 radiation and absorption due to Mossbauer effect over 75 ft vertical distance was used to confirm the prediction of the equivalence principle to 1 part in 100. The fractional frequency shift of a satellite-borne oscillator observed from earth is also given.