English Orionnebula Italian La Nebulosa di Orione (nota anche come Messier 42 o M 42, NGC 1976) è una delle nebulose diffuse più brillanti del cielo notturno
Image:Orion_Nebula_-_Hubble_2006_mosaic_comparison.png previously modified and taken from: Image:OrionNebula - Hubble2006mosaic.jpg and Image:Orion Nebula
the Hubble Space Telescope Orion Treasury Project Team Permission (Reusing this file) PD Other versions Image:OrionNebula - Hubble2006mosaic.jpg, Image:Orion