The Eta Carinae system is enclosed in the Homunculus Nebula , in turn a part of the much larger Carina Nebula , and currently has a combined bolometric luminosity of over five million times the Sun 's .
The Eta Carinae system is enclosed in the Homunculus Nebula , itself part of the much larger Carina Nebula , and currently has a combined luminosity of over five million times the Sun 's .