Hubble's law


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Hubble's law

n.
An empirical law of observational cosmology stating that the velocities at which galaxies in the universe recede from one another is directly proportional to the distances between them.

[After Edwin Powell Hubblewho first formulated it.]

Hubble's law

n
(Astronomy) astronomy a law stating that the velocity of recession of a galaxy is proportional to its distance from the observer
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Hubble's law - (astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer
law of nature, law - a generalization that describes recurring facts or events in nature; "the laws of thermodynamics"
astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole
References in periodicals archive ?
Following the development of astronomical thought, the activities relate to topics like the Moon, astronomy measurements, precision astronomy, the magnitude system, spiral nebulae, Hubble's Law, and Kepler's Third Law.
By additionally detecting the light from the accompanying explosion, astronomers can determine the system's velocity, and hence calculate the Hubble constant using Hubble's law.
Lemaitre was also the first to derive what is now known as 'Hubble's law' and also derived the first estimation of what is now called the 'Hubble constant'.
By using the expansion factor here discussed we have also succeeded in finding a generalization of Hubble's Law, which may be found in reference [13].
It underpinned Edwin Hubble's law on cosmic expansion and led to discoveries about the shape of the Milky Way, our solar system's place far from the galactic center and the existence of other galaxies.
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.
Consequently, the "Hubble's law" also needs to be further developed and improved.
10.) Bonus: the new method extends Hubble's Law from roughly 100 million light-years to 500 million light-years.
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.