Supernovas sometimes leave behind dense spinning neutron stars called pulsars. When massive stars explode as supernovas, they leave behind neutron stars and black holes. The isotope is mainly produced in supernovas ejecting many radioactive nuclides in the interstellar medium. Unstable nuclides can be formed in nuclear reactors or supernovas, for example. There was a black ops unit of the Nova Corps called the Supernovas. It challenged the assumptions of the then current model for the explosive nature of supernovas. In sanctioned WFTDA play, North Star is represented by the Supernovas. The stable form of scandium is created in supernovas via the r-process. IPL Supernovas beat IPL Velocity by 4 wickets in second edition and retained their title. Supernovas are shown in real time. Her 2005 album, "As Supernovas", received triple platinum certification shortly after its release.