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Two years of data from NASA's James Webb Space Telescope have now validated the Hubble Space Telescope's earlier finding that the rate of the universe's expansion is faster - by about 8% - than ...
Swenson, Jim, Answer to a question about the expanding universe Archived 11 January 2009 at the Wayback Machine; Felder, Gary, "The Expanding universe". NASA's WMAP team offers an "Explanation of the universal expansion" at an elementary level. Hubble Tutorial from the University of Wisconsin Physics Department Archived 9 June 2014 at the ...
The Hubble tension is one of the biggest mysteries in cosmology. It centers around the Hubble constant—the measurement of how fast our universe is expanding—which comes out as two different ...
Hubble's law implies that the universe is uniformly expanding everywhere. This cosmic expansion was predicted from general relativity by Friedmann in 1922 [ 62 ] and Lemaître in 1927, [ 65 ] well before Hubble made his 1929 analysis and observations, and it remains the cornerstone of the Big Bang model as developed by Friedmann, Lemaître ...
Hubble plotted a trend line from 46 galaxies, studying and obtaining the Hubble Constant, which he deduced to be 500 km/s/Mpc, nearly seven times than what it is considered today, but still giving the proof that the universe was expanding and was not a static object.
New measurements from the Hubble telescope suggest the universe is expanding between five and nine percent faster than scientists initially thought. NASA and the ESA measured the distance to stars ...
Experimental observations confirm expansion of universe according to Hubble's law. Since the universe is expanding, the equation for that expansion can be "run backwards" to its starting point. The Lambda-CDM concordance model describes the expansion of the universe from a very uniform, hot, dense primordial state to its present state over a ...
The Hubble law implies that the universe is expanding. [11] A decade before, the American astronomer Vesto Slipher had provided the first evidence that the light from many of these nebulae was strongly red-shifted, indicative of high recession velocities. [12] [13]