Nebular hypothesis
[af] Newelhipotese
[ar] فرضية السديم
[ast] Hipótesis nebular
[az] Nebulyar hipotez
[bn] নীহারিকা অনুকল্প
[ca] Hipòtesi nebular
[cs] Mlhovinová hypotéza
[de] Nebularhypothese
[es] Hipótesis nebular
[eu] Hipotesi nebular