| One is the red shift of light coming from remote galaxies which is usually attributed to Doppler's effect and obeys Hubble's law. |
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| Friedmann's models thus anticipated Hubble's law before it had been formulated on an observational basis. |
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| The number density of quasars increases dramatically with redshift, which translates through Hubble's law to more quasars at larger distances. |
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| At a redshift of this magnitude, 3C 273 was placed by Hubble's law at a distance of slightly more than two billion light-years. |
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| Hubble's law of the correlation between redshifts and distances is required by models of cosmology derived from general relativity that have a metric expansion of space. |
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| Doesn't that contradict Hubble's law, which states that distance is correlated with age? |
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| Despite the acceptance of the Doppler redshift described by Hubble's law, there are problems with this model. |
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| This generalization became the basis for what is called Hubble's law, which correlates the recessional velocity of a galaxy with its distance from Earth. |
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| Hubble's law has two possible explanations. |
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| Hubble's law and the Doppler effect, observed in nearby stars, suggested that stars moving away shift toward red, and the faster the stars move away, the greater the shift. |
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| For comparison we use Hubble's Law for the expanding universe to estimate these distances. |
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| This book examines forty eponymous laws of science, from Archimedes' Law of Buoyancy to Hubble's Law of Cosmic Expansion and the great minds behind them. |
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