Scientists chart the stories of young stars — from being born to moving out  

 Synchronizing two different stellar clocks helped reveal how long before adolescent stars fly the nest and leave their stellar siblings. 

https://cdn.mos.cms.futurecdn.net/3auG5AWqfTcUznJtsKpSvM.jpg

https://www.space.com/adolescent-star-evolution-galactic-stellar-clusters