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Study Finds

Study Finds

Science

Science

Explosive red dwarf stars could harm chances for alien life on nearby planets

Study Finds
Summary
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79% Informative

Study finds stellar flares emit far more high-energy ultraviolet light than scientists previously thought.

Astronomers analyzed data from NASA ’s Galaxy Evolution Explorer ( GALEX ) telescope.

The study focused particularly on red dwarf stars, cosmic lightweights that are smaller and cooler than our Sun .

Red dwarf stars make up about 75% of all stars in our galaxy, making them the most common type of stellar neighbor.

98% of observed flares showed higher FUV/ NUV ratios than predicted by the standard 9,000 K blackbody model.

The median ratio of FUV to NUV energy was 0.50 , about three times higher than expected.

The team also found tentative correlations between FUV output and both stellar type and flare energy.

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English

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