Figure 21-14: The Collapsar Model of a Long-Duration Gamma-ray Burst These illustrations show the final few seconds in the life of a massive, rapidly rotating supergiant star that has lost its outer layers of hydrogen and helium. After the jets have subsided, what remains is a Type Ic supernova with a black hole at its center.
(a, c: NASA/Sky Works Digital; b: NASA and A. Field, STScI)