The Crab Nebula, remnants of a supernova which was very first noticed about 1050 AD In massive stars, fusion carries on until the iron core has developed so large (greater than 1.4 M☉) that it could not guidance its have mass. This Main will suddenly collapse as its electrons are https://keeganacbay.bloggosite.com/45113974/the-smart-trick-of-hotels-in-bangkok-that-nobody-is-discussing