Abstract
RECENTLY two independent groups reported changes in the interferometer patterns of 3C 273 (ref. 1) and 3C 279 (refs. 1,2) between October 1970 and February 1971. The simplest fits to the patterns are double sources with increasing separation. The corresponding linear velocities at the distances of the sources (if the fedshift z is cosmological) are up to 10 times the light velocity c. Cavaliere, Morrison and Sartori3 presented two models to explain these “superlight velocities”. I wish to point to a very interesting property of their model 1.
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References
Cohen, M. H., Cannon, W., Purcel, G. H., Shaffer, D. B., Broderick, J. J., Kellermann, K. I., and Jauncey, D. L., Astrophys. J. (in the press).
Whitney, A. R., Shapiro, I. I., Rogers, A. E., Robertson, D. S., Knight, C. A., Clark, T. A., Goldstein, R. M., Marandino, G. E., and Vandenberg, N. R., Science, 173, 225 (1971).
Cavaliere, A., Morrison, P., and Sartori, L., Science, 173, 525 (1971).
Kellermann, K. I., Semaine d'Etude, 13-18 Avril (Vatican, 1970).
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RICHTER, G. Superlight Velocity in Quasars and their Distances. Nature Physical Science 237, 71–72 (1972). https://doi.org/10.1038/physci237071a0
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DOI: https://doi.org/10.1038/physci237071a0
