Planets Hurry To Form Before the Protoplanetary Disk Dissipates

• The study used JWST MIRI data from 72 young solar systems to observe how disk gas is dispersed. - The researchers traced fast jets and material further from the star using molecular hydrogen, and photoevaporative winds using ionized neon. - They found that photoevaporative winds take over from magnetically-induced winds as the main drivers of disk dispersion after about 1-10 million years. - The study highlights that the timing of disk dispersal is crucial for planet formation, especially for gas giants. - The findings show that the dispersal mechanisms change with the star's age and accretion rate, and that the process is influenced by both stellar activity and disk properties. - The research provides a new understanding of how planets form, emphasizing the importance of time in the process. - The results suggest that gas giants must form before the disk dissipates, as winds and jets carry the material away. - The study underscores the role of JWST in connecting theoretical models to observational data, offering a clearer picture of planet formation mechanisms.

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