简介:Inthepast,peopledidnotrealizetheformationandstructureofgalaxies.Theyevenmistooktheblackholeshiddeninthecenterofagalaxyasindependentcelestialobjects,makingblackholesmysteriousandunbelievable.Itwasonlyaftertheauthorstudiedanddiscoveredthelawsoftheformationandevolutionofsatellites,planetsandstarsthatheputforwardthescientifictheoryofgalaxyformationandevolution,thereforerevealingthehierarchicalstructureofgalaxyandtheexistenceandcharacteristicsofblackholesasthemainnodesofgalacticstructure.