These begin as a compact pre-stellar core or dark nebulae, which concentrate and collapse (in volumes determined by the Jeans length) to form compact protostars.
Awen asinta fal amas ən pré-stellaire ašohen meɣ ən nébuleusetan kawalnen, awa isadawan əd itimširšir (dǎɣ siwidan atiwasamadanen fal tizigrit ən Jean) fal igi ən ɗroto-netran aśohatnen.