Triple

Target class: core-collapse supernova
Context triple: [SN 1987A, instanceOf, core-collapse supernova]

• A. gravitational collapse model
  A gravitational collapse model is a theoretical framework that describes how matter in astrophysical systems contracts under its own gravity, potentially leading to the formation of dense objects such as stars, black holes, or compact stellar remnants.
• B. cosmological collapse solution
  A cosmological collapse solution is a spacetime model in general relativity or cosmology in which the universe (or a region of it) evolves from expansion or equilibrium into a contracting phase that culminates in a singularity or high-density end state.
• C. astrophysical instability chosen
  An astrophysical instability is a physical process in which small perturbations in an astronomical system grow over time, potentially leading to dramatic structural or dynamical changes such as star formation, disk fragmentation, or explosive events.
• D. astrophysical stability criterion
  An astrophysical stability criterion is a theoretical condition or set of conditions used to determine whether an astronomical system (such as a star, disk, or gas cloud) will remain in equilibrium or undergo collapse, fragmentation, or other dynamical instabilities.
• E. rotational instability in stars
  Rotational instability in stars is a dynamical condition where differential rotation or excessive spin causes internal layers to become unstable, leading to mixing, angular momentum redistribution, and potentially large-scale structural changes or mass loss.
• F. None of above.