ব্ল্যাকহোলের ছবি Black hole sagittarius A star and M87 image explained in bangla with animation Ep75

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The international Event Horizon Telescope collaboration has captured a second image of the black hole. This time, the black hole at the centre of our own Milky Way galaxy has been imaged. However, to give the image meaning, the collaboration had to compare the photograph with black hole simulations.
The International Event Horizon Telescope Collaboration, after mobilising more than 300 scientists and engineers to establish a network of synchronised telescopes that form an Earth-sized virtual telescope, captured the first-ever images of supermassive black holes. The first image of a black hole was released in 2019. It was an image of the black hole at the centre of the Messier 87 galaxy. The latest image of a black hole was released on May 12, 2022. The image is that of the black hole at the centre of the Milky Way galaxy, called Sagittarius A*.
University of Arizona, together with the University of Illinois and Harvard University in the United States, led the effort to create the biggest collection of simulations to date. This collection, called the simulation library, is made up of thousands of data sets, containing information about how the plasma interacts with magnetic fields around black holes, and millions of simulated images. According to the statement, each simulation assumes something different about the properties and characteristics of a black hole and its surroundings.
Each simulated image can be compared with the actual black hole image to find a match. The simulation that creates the snapshot with the closest match can teach people something about the actual black hole image, including its plasma temperature and the strength of its magnetic field.
The breakthrough follows the EHT collaboration’s 2019 release of the first image of a black hole, called M87*, at the centre of the more distant Messier 87 galaxy.
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