June 11, according to recent media reports, a coalition of national scientific research teams has developed a groundbreaking method for measuring black holes with unprecedented accuracy. This technique allows scientists to measure objects billions of light-years away, and its core lies in using specific active galactic nuclei black holes. By studying these cosmic giants, researchers can gain deeper insights into the early universe and estimate its expansion rate.
This new approach focuses on the radiation emitted by matter as it is pulled into a black hole. As material falls into the black hole, it heats up and releases an immense amount of energy—equivalent to that of a trillion stars. Supermassive galaxies, in particular, emit thousands of times more energy, making their radiation detectable from vast distances.
In astronomy, measuring distance through cosmic radiation is a common practice. However, this is the first time such a method has been applied specifically to black holes. By analyzing the energy emitted from the edge of a black hole and comparing it to the radiation observed on Earth, scientists can determine the distance between Earth and the black hole, as well as the timing of energy release throughout the history of the universe.
Accurately estimating the radiation emitted by a black hole depends heavily on understanding its properties. Researchers have found that the amount of radiation released during accretion is directly proportional to the black hole's mass. Therefore, established techniques for measuring black hole mass can be used to estimate the intensity of the radiation they produce.
This advancement not only improves our ability to measure black holes but also opens new doors for exploring the origins and evolution of the universe. With this method, scientists may soon uncover more secrets hidden in the depths of space.
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