In the Center of the Keyhole Nebula . ... Credit Copyright: D. Malin ( AAO ), AATB , UKS Telescope Explanation: 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. ... This, along with a previously hypothesized 5.52 year period , indicates that the dying star might be part of a multiple star system. ... NASA Web Site Statements, Warnings, and Disclaimers . ...