Relativistic Beaming
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High Quality Content by WIKIPEDIA articles! Relativistic beaming is the process by which the relativistic effect modifies the apparent luminosity of a relativistic jet. Beaming is common in many Active Galactic Nuclei (AGN) galaxies. When relativistic beaming occurs in such galaxies, a central supermassive black hole is the ultimate source of energy for twin jets of intensely energetic plasma. Relativistic beaming is important in astronomy to understanding the nature and evolution of galaxies. Relativistic beaming is of particular importance for a jet which is oriented close to the line of…mehr

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High Quality Content by WIKIPEDIA articles! Relativistic beaming is the process by which the relativistic effect modifies the apparent luminosity of a relativistic jet. Beaming is common in many Active Galactic Nuclei (AGN) galaxies. When relativistic beaming occurs in such galaxies, a central supermassive black hole is the ultimate source of energy for twin jets of intensely energetic plasma. Relativistic beaming is important in astronomy to understanding the nature and evolution of galaxies. Relativistic beaming is of particular importance for a jet which is oriented close to the line of sight from the AGN to Earth. In the simplest case the jet can be considered to be a series of spherical clouds or blobs, each emitting a high luminosity. In the rest frame of the Earth each blob is approaching at speeds which can be in the range of 95% to 98% of the speed of light and, because of Special Relativity and some physical properties of the jet, the luminosity observed on Earth will be higher than the intrinsic luminosity measured in the rest frame of the jet clouds.