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Typically, primordial black hole formation requires density contrasts (regional variations in the universe's density) of around / (10%), where is the average density of the universe. [36] Several mechanisms could produce dense regions meeting this criterion during the early universe, including reheating, cosmological phase transitions and (in ...
The Black Hole Era is defined as "40 < n < 100". In this era, according to the book, organized matter will remain only in the form of black holes. Black holes themselves slowly "evaporate" away the matter contained in them, by the quantum mechanical process of Hawking radiation. By the end of this era, only extremely low-energy photons ...
1978 – The first two papers on the topic of voids in the large-scale structure were published referencing voids found in the foreground of the Coma/A1367 clusters. [ 10 ] [ 14 ] 1981 – Discovery of a large void in the Boötes region of the sky that was nearly 50 h −1 Mpc in diameter (which was later recalculated to be about 34 h −1 Mpc).
Although blue holes can be found around the world—in fact, one of the largest blue holes ever discovered is in the South China Sea—the Bahamas has the highest concentration of these geological ...
In 2012, scientists exploring blue holes in the Bahamas discovered bacteria deep in the caves where no other life existed, potentially filling the knowledge “gap” on what types of lifeforms ...
The timeline of the early universe outlines the formation and subsequent evolution of the Universe from the Big Bang (13.799 ± 0.021 billion years ago) [1] to the present day. An epoch is a moment in time from which nature or situations change to such a degree that it marks the beginning of a new era or age .
This is a timeline of astronomy. It covers ancient, medieval, Renaissance-era, and finally modern astronomy. ... bodies are being found. We now know that Ceres is 932 ...
Scientists plan to explore Dean’s Blue Hole, one of the deepest blue holes, using advanced technology to uncover its mysteries and potential human remains. Scientists Are Planning on Plunging ...