This Quasar Discovery Could Hold the Key to How Galaxies Die

Supermassive black holes with up to 10 billion times the mass of our sun are thought to be at the center of most large galaxies. As their powerful gravity sucks in material, they can create a ring of superheated matter brighter than the galaxy itself called a quasar, and astronomers long thought that this was…

Molecular Formula | Chemistry | Homework Help

The Molecular Formula tells you the number of atoms of each of the elements in one moleculeof a compound.In a previous video, we found the “empirical formula” and this is a related idea, butthey are not the same thing.The Empirical Formula gives the lowest whole number ratio of the atoms of the elementsin a compound.This…