[172] In Main collapse supernovae, the vast majority in the Electrical power is directed into neutrino emission, and Although some of this seemingly powers the noticed destruction, 99%+ from the neutrinos escape the star in the very first few minutes subsequent the beginning of the collapse.[forty five] 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 https://erickmrmhs.dbblog.net/9078842/the-2-minute-rule-for-hbr-case-study-analysis