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Black holes snacking on small stars create particle accelerators that bombard Earth with cosmic rays

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Summary
Nutrition label

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.

VR Score

83

Informative language

88

Neutral language

41

Article tone

semi-formal

Language

English

Language complexity

57

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not offensive

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not hateful

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not detected

Time-value

long-living

Source diversity

1