Back then, Wladimir Lyra, a professor of astronomy at California State University, Northridge, and Marc Kuchner, an astrophysicist at Goddard, teamed up to better understand why disks aren’t always perfectly formed. Publishing a new model in Nature, they explained that sharply defined rings and broken circles – or arcs – could form when stars emit enough ultraviolet light.
http://www.iflscience.com/space/beautiful-patterns-debris-disks-forged-starlight/
IFL Science!
Clip Category
Northridge