... In the Center of the Keyhole Nebula . ... Stars, like people, do not always go gentle into that good night. The above Keyhole Nebula results from dying star Eta Carinae's violently casting off dust and gas during its final centuries. Eta Carinae is many times more massive than our own Sun, and should eventually undergo a tremendous supernova explosion. ... Blue Stars and Red Pillars . ... Bright blue stars are still forming in the red pillars of the Eagle Nebula. ... Doomed Star Eta Carinae . ...