Pferdekopfnebel

By ESO [CC-BY-3.0], via Wikimedia Commons

By Svdmolen at nl.wikipedia [Public domain], from Wikimedia Commons

Orion Nebula

By NASA, ESA, M. Robberto ( Space Telescope Science Institute/ESA) and the Hubble Space Telescope Orion Treasury Project Team (http://www.spacetelescope.org/images/heic0601d/) [Public domain or CC-BY-3.0], via Wikimedia Commons

Orion Nebula MPG ESO

By ESO/Igor Chekalin (http://www.eso.org/public/images/eso1103a/) [CC-BY-3.0], via Wikimedia Commons

Orion Nebula (Orionnebel)-

Messier 42 (M42) - NGC

By NASA, ESA and the Hubble Heritage Team [Public domain], via Wikimedia Commons

By Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA)Acknowledgment: NASA, ESA, M. Robberto (Space Telescope Science Institute) and the Hubble Space Telescope Orion Treasury Project Team [Public domain], via Wikimedia Commons