cosmic expansion

cosmic expansion

[′käz·mik ik′span·shən]
(astronomy)
The recession of all distant galaxies from each other, as manifested in the red shift of their spectral lines.
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Strongly lensed sne ia also allow an independent measurement of the hubble constant (h0) that sets the cosmic expansion rate.
What we are seeing are the deviations from cosmic expansion caused by the interactions of local sources of gravity.
Science writers and astronomy scholars provide an introduction to astronomy and its discoveries about space, time, and the physics of the cosmos, detailing the history of the subject from ancient speculations about the nature of the universe, to the Copernican revolution, to the rise of astrophysics, to the theory of relativity, to theories about dark energy and cosmic expansion, including technological breakthroughs like GalileoAEs telescope; the first person on the moon; discoveries about gravity, planets, nebulae, stars, the Big Bang, and black holes; and the contributions of key astronomers like Copernicus, Tycho Brahe, and Edwin Hubble.
The previous two models that tried to explain this were both based on the simplified 100-year-old cosmic expansion law - Friedmann's equation.
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.
The theory of cosmic expansion, originally proposed by Georges Lemaitre in 1931, offers the best explanation for observational data of our universe, starting with Edwin Hubble in 1929 to the present.
Scientists are now grappling with other mysteries such as understanding the nature of dark matter, which accounts for more than a quarter of the universe, and dark energy, which is believed to be the driver of cosmic expansion.
The fact that our universe is expanding in all directions could be a sign simply of cosmic expansion, rather than as the origin of the universe itself, the researchers suggest.
Cosmic expansion is at a rate of 12m miles a second.
Indeed this cosmic expansion is at a rate of 12m miles a second.
To meet every challenge and cater to the growing need of meals by local and foreign carriers, a cosmic expansion plan of infrastructure, facilities, equipment and professionals has been put together in the catering operations.
Big Bang The cosmic expansion that marked the origin of the universe, according to current theory.

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