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Listed below are galaxies with diameters greater than 700,000 light-years. This list uses the mean cosmological parameters of the Lambda-CDM model based on results from the 2015 Planck collaboration, where H 0 = 67.74 km/s/Mpc, Ω Λ = 0.6911, and Ω m = 0.3089. [3]
Voids are immense spaces between galaxy filaments and other large-scale structures. Technically they are not structures. They are vast spaces which contain very few or no galaxies. They are theorized to be caused by quantum fluctuations during the early formation of the universe. A list of the largest voids so far discovered is below.
Emily Matson. A cause of death has reportedly been unveiled for Pennsylvania news anchor Emily Matson, who tragically died in the early morning hours of Monday, Dec. 11.She was 42. Following the ...
Solar System objects more massive than 10 21 kilograms are known or expected to be approximately spherical. Astronomical bodies relax into rounded shapes , achieving hydrostatic equilibrium, when their own gravity is sufficient to overcome the structural strength of their material.
A Detroit radio news anchor was killed and four other people, including his two children, are hospitalized in what police are calling a murder and suicide attempt. The tragic incident happened ...
Size (left) and distance (right) of a few well-known galaxies put to scale. The following is a list of notable galaxies.. There are about 51 galaxies in the Local Group (see list of nearest galaxies for a complete list), on the order of 100,000 in the Local Supercluster, and an estimated 100 billion in all of the observable universe.
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In cosmology, galaxy filaments are the largest known structures in the universe, consisting of walls of galactic superclusters.These massive, thread-like formations can commonly reach 50 to 80 megaparsecs (160 to 260 megalight-years)—with the largest found to date being the Hercules-Corona Borealis Great Wall at around 3 gigaparsecs (9.8 Gly) in length—and form the boundaries between voids ...