Editing Protoplanetary disk (section)

==Relation to abiogenesis==
{{main|Abiogenesis|Panspermia}}
Based on recent [[computer simulation|computer model studies]], the [[organic compound|complex organic molecules]] necessary for [[life]] may have  formed in the protoplanetary disk of [[cosmic dust|dust grains]] surrounding the [[Sun]] before the formation of the Earth.<ref name="Space-20120329">{{cite web |last=Moskowitz |first=Clara |title=Life's Building Blocks May Have Formed in Dust Around Young Sun |url=http://www.space.com/15089-life-building-blocks-young-sun-dust.html |date=29 March 2012 |publisher=[[Space.com]] |access-date=30 March 2012 }}</ref>  According to the computer studies, this same process may also occur around other [[stars]] that acquire [[planets]].<ref name="Space-20120329" /> (Also see [[Abiogenesis#Observed extraterrestrial organic molecules|Extraterrestrial organic molecules]].)