Microquasars Enhance Cosmic Rays
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Science
Black holes snacking on small stars create particle accelerators that bombard Earth with cosmic rays
72% Informative
Microquasars are systems in which a black hole is slowly devouring a star.
Black holes indulging in stellar meals of all sizes could be responsible for a higher-than-suspected amount of high-energy charged particles called "cosmic rays" The mechanism for this particle acceleration is the near-light-speed jets that blast out from microquasar jets.
Microquasar GRS 1915+105 is a low-mass binary consisting of a black hole with 14 solar masses eating a star with half the mass of the sun.
This is in stark contrast with previously known particle-accelerating microquasars, which only hosted massive stars.
This new evidence suggests microquasar systems may be more common than previously found.
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