11. Ditto for " quantization of the redshift " or " explanation of the Hubble constant ". 12. The discovery astonished astronomers, but it helped clarify the age problem that arose with the Hubble constant . 13. Sandage determined the first reasonably accurate values for the Hubble constant and also discovered the first quasar. 14. He determined the first reasonably accurate values for the Hubble constant and the age of the universe. 15. Also, the Hubble constant was measured to be 67.80 ?0.77 ( km / s ) / Mpc. 16. The measured velocity of galaxies moving apart with the expansion of space-time is expressed as the Hubble constant . 17. Freedman's adversary in the Hubble constant wars has been Allan R . Sandage, also at the Carnegie Observatories. 18. By contrast, a high estimate of the Hubble constant implies a rapid expansion and a relatively young universe. 19. Thus, with observed time delays and constrained mass model, the cosmological constant like Hubble constant can be inferred. 20. Estimates of the expansion rate, also known as the Hubble constant , are fundamental to all theories of cosmic evolution.
