BLACK HOLE के अंदर क्या है? | Exploring Black Holes in Space |

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Prepare for an extraordinary voyage into the heart of darkness as we unravel the mysteries of black holes! 🌌✨ In this mind-bending video, we'll take you on a thrilling journey through the cosmos to understand what black holes are, how they form, and their incredible impact on the universe. Get ready to warp your perception of space and time as we explore the most enigmatic objects in the cosmos. Subscribe for more mind-expanding science content! 🚀🔭
Early Speculation (18th and 19th centuries): Early ideas about black holes emerged from the work of scientists like John Michell and Pierre-Simon Laplace. Michell, in 1783, suggested the concept of "dark stars," objects so massive and dense that their gravity would not allow anything, including light, to escape. Laplace explored similar ideas.
Albert Einstein's Theory of General Relativity (1915): Einstein's groundbreaking theory revolutionized our understanding of gravity. It predicted the existence of gravitational singularities, points where matter is infinitely dense and gravity is infinitely strong. This laid the theoretical foundation for black holes.
Karl Schwarzschild's Solution (1916): Shortly after Einstein's theory, Schwarzschild found a solution to the equations of general relativity that described a non-rotating, spherically symmetric black hole. This is now known as the Schwarzschild black hole.
John Michell's Influence (1930s): John Michell's early work on dark stars gained recognition for his contributions to the concept of black holes. However, he did not live to see the full development of the theory.
Formation of Modern Black Hole Theory (20th Century): Over the 20th century, physicists like Subrahmanyan Chandrasekhar and J. Robert Oppenheimer made significant contributions to our understanding of black holes. Chandrasekhar's work showed that stars above a certain mass (the Chandrasekhar limit) would eventually collapse into black holes.
Discovery of Cygnus X-1 (1964): The X-ray binary star system Cygnus X-1 provided strong observational evidence for the existence of black holes. The mass of the unseen companion star was too massive and compact to be anything other than a black hole.
Hawking Radiation (1974): Stephen Hawking's groundbreaking work on quantum mechanics and black holes led to the discovery of Hawking radiation, which suggested that black holes could emit particles and slowly lose mass over time.
Recent Advances (21st Century): In recent years, technology has advanced to the point where astronomers can detect and study black holes in various ways, including through gravitational waves. The first direct observation of a black hole's event horizon was made in 2019 by the Event Horizon Telescope (EHT) collaboration.