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There are some reasons to be cautious about this list: The Zone of Avoidance, or the part of the sky occupied by the Milky Way, blocks out light from several structures, making their limits imprecisely identified. Some structures are too distant to be seen even with the most powerful telescopes. Some structures have no defined limits, or endpoints.
In 2014, Hari Kunduri and James Lucietti proved the existence of a black hole with Lens space topology of the L(2, 1) type in five dimensions, [2] this was next extended to all L(p, 1) with positive integers p by Shinya Tomizawa and Masato Nozawa in 2016 [3] and finally in a preprint to all L(p, q) and any dimension by Marcus Khuri and Jordan ...
Dimension Notes Clowes–Campusano LQG (U1.28, CCLQG) 1991 z=1.28 longest dimension: 630 Mpc; It was the largest known structure in the universe from 1991 to 2011, until U1.11's discovery. U1.11: 2011 z=1.11 longest dimension: 780 Mpc; Was the largest known structure in the universe for a few months, until Huge-LQG's discovery. Huge-LQG: 2012 z ...
To test whether there is a singularity at a certain point, one must check whether at this point diffeomorphism invariant quantities (i.e. scalars) become infinite. Such quantities are the same in every coordinate system, so these infinities will not "go away" by a change of coordinates.
Astronaut Sally K. Ride became the first American woman to visit space in June 1983. Calandrelli said she was crying on the flight home from the mission because of the online reaction and texting ...
The flight only lasted about 10 minutes, but the six members of the crew experienced weightlessness and were able to see Earth from space. The flight launched from Blue Origin’s West Texas ...
This is done in "3+1" formulations, where spacetime is split into three space dimensions and one time dimension. The best-known example is the ADM formalism . [ 174 ] These decompositions show that the spacetime evolution equations of general relativity are well-behaved: solutions always exist , and are uniquely defined, once suitable initial ...
History was made when Emily Calandrelli became the 100th woman to go to space and social media certainly had something to say about it — though not all the comments were positive. On November 22 ...