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A quasi-star (also called black hole star) is a hypothetical type of extremely large and luminous star that may have existed early in the history of the Universe. They are thought to have existed for around 7–10 million years due to their immense mass .
A black hole with the mass of a car would have a diameter of about 10 −24 m and take a nanosecond to evaporate, during which time it would briefly have a luminosity of more than 200 times that of the Sun. Lower-mass black holes are expected to evaporate even faster; for example, a black hole of mass 1 TeV/c 2 would take less than 10 −88 ...
The hot accretion disc of a black hole, showing the relativistic effects imposed on light when it is emitted in regions subject to extreme gravitation.This image is the result of NASA simulations and shows a view from outside the horizon of a Schwarzschild black hole.
A dark, vertical line near the center shows the curve of a dusty disk orbiting the core, suggesting a supermassive black hole inside. / Credit: NASA/STScI, M. A. Malkan, B. Boizelle, A.S. Borlaff ...
Scientists have got a peek at what is happening inside of black holes. A new model – built on gravitational waves that were first detected almost 10 years ago – indicates what is going inside ...
Or, the Big Bang was a supermassive white hole that was the result of a supermassive black hole at the heart of a galaxy in our parent universe. Shockwave cosmology , proposed by Joel Smoller and Blake Temple in 2003, [ 7 ] has the “big bang” as an explosion inside a black hole, producing the expanding volume of space and matter that ...
A computer simulation of a star falling into a black hole in the process of forming an accretion disk. Computational astrophysics refers to the methods and computing tools developed and used in astrophysics research.
NASA has released audio it captured from a black hole, sharing sounds waves that it previously identified but have made audible for the first time. NASA’s team that explores space for planets ...