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Eprint Arxiv 0805 2082, 2008
Black holes are perhaps the most strange and fascinating objects known to exist in the universe. Our understanding of space and time is pushed to its limits by the extreme conditions found in these objects. They can be used as natural laboratories to test the behavior of matter in very strong gravitational fields. Black holes seem to play a key role in the universe, powering a wide variety of phenomena, from X-ray binaries to active galactic nuclei. In this article we will review the basics of black hole physics.
Black Holes : Anybody out there?
Electronic Journal of Theoretical Physics, 2016
Using analytical results from both general relativity and quantum mechanics weshow that physical black holes probably do not exist. This would actually be a boon totheoretical physics, for example ...
Black Holes: A General Introduction
Lecture Notes in Physics, 2003
Our understanding of space and time is probed to its depths by black holes. These objects, which appear as a natural consequence of general relativity, provide a powerful analytical tool able to examine macroscopic and microscopic properties of the universe. This introductory article presents in a pictorial way the basic concepts of black hole's theory, as well as a description of the astronomical sites where black holes are suspected to lie, namely binary X-ray sources and galactic nuclei.
International Journal of Advance Research, Ideas and Innovations in Technology, 2018
A Black hole is a region of space from which nothing, including light, can escape. According to the general theory of relativity, it is the result of the curving of space-time caused by being composed of dense mass. Around a black hole, there is a position of no return, called the event horizon. Stellar black holes are made when the center of the very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space. Scientists think supermassive black holes were made at the same time as the galaxy they are in. Around a black hole, there is a position of no return, called the event horizon. It is called “Black” because it absorbs all the light that hits it, reflecting nothing, just like a perfect black body in thermodynamics. The name also said to be taken from the black hole incidence happened in Calcutta. Under the theory of quantum mechanics black holes have a temperature and emit Hawkin...
Himalayan Physics
Black holes are the cold remnants of former stars. They are so dense that no matter -not even light - is able to escape their powerful gravitational pull. These are interesting objects from a fundamental physics point of view and play an important role in astrophysics. The knowledge of phenomenon of origin of black hole may lead to new understanding of the nature of the real universe. The Himalayan PhysicsVol. 3, No. 32012Page : 50-55
International Journal For Multidisciplinary Research
In this paper we are introducing with black holes in our universe. How black holes are created and how they are increasing in size and mass and what are their types made by scientist on the basis of their mass and size is also introduced.