This image is a derivative work of the following images: File:Protoplanetary-disk.jpg licensed with PD-USGov-NASA 2006-01-30T00:15:02Z Arnomane 576x312...
English Artist's concept of a protoplanetary disk. Turkish Bir sanatçının gözünden öngezegen diski Arabic تصور للقرص الكوكبي الأولي German Zeichnung einer...
