Earth is the Solar System’s densest planet. It shouldn’t be. Based on the atoms that they’re made out of, the innermost planet should always be the densest. Here’s why Earth beats Mercury, hands down. When it comes to the Solar System, the elements that make up each planet are determined by how they all formed. Closest to the…

https://medium.com/starts-with-a-bang/earth-is-the-solar-systems-densest-planet-it-shouldn-t-be-7d4d0aef4e89