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Phoenix galaxy cluster caught in the act of extreme cooling

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Summary
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87% Informative

The core of a massive cluster of galaxies appears to be pumping out far more stars than it should.

Researchers at MIT and elsewhere have discovered a key ingredient within the cluster that explains the core's prolific starburst.

They used NASA 's James Webb Space Telescope (JWST) to observe the Phoenix cluster.

The cluster is the largest of its kind that scientists have so far observed.

Researchers used JWST 's Mid-Infrared Instrument to map light in the infrared spectrum.

They looked for a specific wavelength that is emitted when gas undergoes a certain loss of ions.

The team estimates that the central galaxy is generating an amount of ultracold gas each year that is equal to the mass of about 20,000 suns.

VR Score

93

Informative language

96

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40

Article tone

informal

Language

English

Language complexity

47

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Time-value

long-living

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