Observations from the James Webb Telescope suggest that light from young stars in the Orion Nebula is “extruding” matter from a planet-forming disk
New observations from the James Webb Telescope suggest that some bright stars appear to be hindering planet formation on the planet Orion Nebula. According to new data, the disk of gas and dust around a young star loses large amounts of hydrogen every year, and since this disk is a planet-forming region, the process could be affected.
The “culprits” are the stars of the Trapezium cluster, made up of numerous young objects. They are nearly 100,000 times brighter than the Sun, and Webb’s observations indicate that ultraviolet radiation emitted by the stars is heating the gas and dust in the protoplanetary disk d203-506. It surrounds a red dwarf star and has a essential molecule with carbon in its structure.
As the name suggests, the protoplanetary disk is a region of gas and dust where planets can form. In this case, the ultraviolet light is so intense that it prevents the formation of large planets: the radiation causes d203-506 to lose significant quantities of planetary material, which escapes into space.
Olivier Berné, a scientist at the French National Center for Scientific Research, says that “on a time scale of a million years, all the mass must have left this disk.” According to him, it is as if the material that comes out competes with it planet formation.
In addition to being young, the Orion Nebula is between 30 and 40 light-years in diameter, meaning that much of the disk’s lost matter must remain within it. The bad news, however, is that gas and dust will no longer be the “ingredients” that could be used to form planets.
The Solar System is 4,000 times older than d203-506, and was also influenced by one or more massive stars during its formation. “Look at this system [d203-506] It’s really like watching the past of our Solar Systemin a certain sense,” concluded Berné.
The article describing the findings was published in the journal Science.
Source: Science; Through: Science live
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