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2013 — The Hercules–Corona Borealis Great Wall, a massive galaxy filament and the largest known structure in the universe, was discovered through gamma-ray burst mapping. [ 20 ] [ 21 ] [ 22 ] 2014 — The Laniakea Supercluster , the galaxy supercluster that is home to the Milky Way is defined via a new way of defining superclusters ...
George Gamow (1904–1968) argued that observed proportions of hydrogen and helium in the universe could be explained by the big bang model, modeled the mass and radius of primordial galaxies; Margaret J. Geller (1947–) discovered the Great Wall, a superstructure-scale filament of galaxies; Thomas Gold (1920–2004) proposed the steady-state ...
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
From 1964 to 1997, the title of most distant object in the universe were held by a succession of quasars. [81] That list is available at list of quasars. 8C 1435+63: 1994–1997: z=4.25 This is a radio galaxy. At the time of its discovery, quasar PC 1247-3406 at z=4.73, discovered in 1991 was the most remote object known. This was the last ...
The object itself was detected in ESO images dating back to 1980, but its identification as a quasar occurred only several decades later. [2]An automated analysis of 2022 data from the European Space Agency's Gaia satellite did not confirm J0529-4351 as too bright to be a quasar, and suggested it was a 16th magnitude star with a 99.98% probability.
"This discovery gives us a hint that finding a second earth is not a matter of if but when," said Thomas Zurbuchen, Assoc. Admin., Science Mission Director at NASA. See what life might look like ...
While searching an unusual cold spot in space first discovered more than a decade ago, scientists have discovered what they say is the largest known structure in the universe -- a supervoid, ITN ...
Discovery and exploration of the Solar System is observation, visitation, and increase in knowledge and understanding of Earth's "cosmic neighborhood". [1] This includes the Sun , Earth and the Moon , the major planets Mercury , Venus , Mars , Jupiter , Saturn , Uranus , and Neptune , their satellites , as well as smaller bodies including ...