34-million-year-old planet-forming disk discovered

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protoplanetary disks

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Entertainment

Cosmic beauty: Webb Telescope finds ancient planetary disk that should have faded millions of years ago

Summary

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88% Informative

Astronomers have discovered a 34-million - year-old planet-forming disk around a small red star more than 30 million years after such disks typically disappear.

The disk is extremely carbon-rich, containing 14 different molecular species including numerous hydrocarbons, with very little water vapor detected.

This discovery may explain features of planetary systems around small stars like TRAPPIST-1.

JWST observed J0446B using the James Webb Space Telescope’s Mid-Infrared Instrument (MIRI) Hydrocarbons were found at temperatures of 250-300 Kelvin in the innermost region of the disk ( 0.05 -0.1 astronomical units) The carbon-to-oxygen ratio was estimated at more than double the solar value.

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semi-formal

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English

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not offensive

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not hateful