... Protoplanetary Survivors in Orion . ... While the formation of dusty protoplanetary disks seems common in Orion , these Hubble Space Telescope close-up images dramatically reveal the torturous conditions they must face while trying to grow into full-fledged planetary systems. ... Publications with keywords: protoplanetary disk - Orion Nebula - planet formation . Publications with words: protoplanetary disk - Orion Nebula - planet formation . ... The Colorful Orion Nebula . ... The Heart Of Orion . ...