Scientists develop new black hole measurement techniques or delve into the history of the universe
June 11, according to media reports, a coalition of national scientific research teams at home, a study for the black hole to measure, developed a method for measuring high accuracy, we can measure billions of light years away, the core of this approach is the use of certain active galactic center black hole, scientists can learn more about the universe or in the past, and estimate the expansion rate of the early universe.
It has been reported that this method increases the radiation emitted by the material near the black hole before it is absorbed by the black hole. When the substance is sucked into the black hole, it heats up and releases a large amount of radiation, equivalent to a trillion-dollar star. A huge galaxies produce a thousand times more energy, so the amount of radiation released can be observed from a great distance.
Measuring distance with cosmic radiation is a common method in astronomy, but so far there is no precedent for measuring the distance of black holes, adding the energy from the edge of the black hole to the amount of radiation reaching the earth, or inferring the earth to the black hole. The distance and the time of energy release in the history of the universe.
To accurately estimate the amount of radiation released by a black hole depends on the nature of the black hole. The researchers say that the amount of radiation released by black-hole accretion is proportional to its mass. Therefore, the long-established method of measuring the quality of black holes can be used to estimate the amount of radiation it emits.
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