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Space

Accidental discovery reveals 'millinovas,' a new class of cosmic explosion 100 times brighter than the sun

Space
Summary
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73% Informative

Scientists have discovered an entirely new stellar source of X-ray radiation.

The "millinovas" were found in the Large Magellanic Cloud (LMC) and the Small Magellan Cloud ( SMC ), two satellite galaxies of the Milky Way.

The team was searching 20 years' worth of data from the Optical Gravitational Lensing Experiment (OGLE) for light-curving microlensing events.

Millinovae are binary star systems composed of a white dwarf and a subgiant star.

White dwarfs obtaining stellar material in this way are already known to be responsible for different nova events.

The most famous of these are Type Ia supernovas, in which the white dwarf is obliterated in a runaway thermonuclear explosion after stolen stellar material piles up on its surface.

VR Score

86

Informative language

92

Neutral language

43

Article tone

semi-formal

Language

English

Language complexity

49

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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