expanding universe theory

expanding universe theory

n
(Astronomy) the theory, developed from the observed red shifts of celestial bodies, that the space between galaxies is expanding, so that they appear to recede from us at velocities that increase with their distance. See also oscillating universe theory
References in periodicals archive ?
This has been interpreted as those faraway objects moving away from us at a faster speed, one of the cruxes of the expanding universe theory that has been tied to the explosive Big Bang theory that scientists believed created everything to begin with.
In contrast, in the expanding universe theory, the galactic density increases by a factor [(1 + z).
025 square degrees for the expanding universe theory because of the large number of galaxies generated.
This alternative cosmology only differs from the expanding Universe theory from the viewpoint that it is the light wavelength that is stretched due to a tired light process and not space itself that expands.