File:Hydrocarbons in Protoplanetary Disk Spectrum (MIRI) (2024-121).png

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This graphic presents some of the results from the MIRI Mid-INfrared Disk Survey (MINDS), which aims to build a bridge between the chemical inventory of disks and the properties of exoplanets.

Summary

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Description
English: This graphic presents some of the results from the MIRI Mid-INfrared Disk Survey (MINDS), which aims to build a bridge between the chemical inventory of disks and the properties of exoplanets. In a new study, a science team explored the region around a very low-mass star of 0.11 solar masses (known as ISO-ChaI 147). They found that the gas in the planet-forming region of the star is rich in carbon. This could mean that the building blocks for planets may lack carbon because all of the carbon-containing chemicals have evaporated and been lost into the surrounding gas. As a result, any rocky planets that form might be carbon-poor.

The spectrum revealed by NASA’s James Webb Space Telescope’s MIRI (Mid-Infrared Instrument) shows the richest hydrocarbon chemistry seen to date in a protoplanetary disk, consisting of 13 carbon-bearing molecules. This includes the first extrasolar detection of ethane (C2H6). The team also successfully detected ethylene (C2H4), propyne (C3H4), and the methyl radical CH3, for the first time in a protoplanetary disk. This graphic highlights the detections of ethane (C2H6), methane (CH4), propyne (C3H4), cyanoacetylene (HC3N), and the methyl radical CH3.

NASA, ESA, CSA, Ralf Crawford (STScI)
Date 6 June 2024 (upload date)
Source Hydrocarbons in Protoplanetary Disk Spectrum (MIRI)
Author Illustration NASA, ESA, CSA, Ralf Crawford (STScI)
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Keywords
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Stars; Stellar Disks

Licensing

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Public domain This file is in the public domain because it was created by NASA, ESA and CSA. NASA Webb material is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA/CSA is credited as the source of the material. This license does not apply if source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-03127. Copyright statement at webbtelescope.org. For material created by the European Space Agency on the esawebb.org site, use the {{ESA-Webb}} tag.

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