Matches in DBpedia 2015-10 for { ?s ?p "An accretion disc is a structure (often a circumstellar disk) formed by diffused material in orbital motion around a massive central body. The central body is typically a star. Gravity causes material in the disc to spiral inward towards the central body. Gravitational and frictional forces compress and raise the temperature of the material causing the emission of electromagnetic radiation. The frequency range of that radiation depends on the central object's mass. Accretion discs of young stars and protostars radiate in the infrared; those around neutron stars and black holes in the X-ray part of the spectrum. The study of oscillation modes in accretion discs is referred to as diskoseismology."@en }
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- Accretion_disc abstract "An accretion disc is a structure (often a circumstellar disk) formed by diffused material in orbital motion around a massive central body. The central body is typically a star. Gravity causes material in the disc to spiral inward towards the central body. Gravitational and frictional forces compress and raise the temperature of the material causing the emission of electromagnetic radiation. The frequency range of that radiation depends on the central object's mass. Accretion discs of young stars and protostars radiate in the infrared; those around neutron stars and black holes in the X-ray part of the spectrum. The study of oscillation modes in accretion discs is referred to as diskoseismology.".