Black hole model reveals star collapse without bright explosion Kit Daniels Posted on June 11, 2020 Posted in Aggregated No Comments This process stops at iron. Beyond iron, energy is required to sustain fusion rather than being released by fusion Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email