cosmic expansion


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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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Using lensing, we can simultaneously measure the total mass, the number of neutrino species and the global acceleration of the cosmic expansion, offering a direct handle on the mysterious dark energy.
Such supernovas more consistently reach the same brightness in infrared light than they do in visible light, so Kirshner hopes the infrared camera will give a more precise look at how cosmic expansion has changed through time.
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.
In other words, they can learn more about the force that's accelerating cosmic expansion, and which dominates the cosmic mass/energy budget today.
Big Bang The cosmic expansion that marked the origin of the universe, according to current theory.
Type II supernovae may join their Type Ia cousins as gauges of cosmic expansion.
Technically from time to time if we are able to measure the changes in cosmic temperature then rate of decrease in cosmic temperature will give the rate of increase in cosmic expansion accurately.
Recently Humphreys has appealed to cosmic expansion and Einstein's general theory of relativity (GTR) as a mechanism for getting rid of some heat caused by accelerated nuclear decay.

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