What Ever Happened to Planet Vulcan? — Longreads Blog

The story of the planet closest to our sun, aptly named Vulcan, which accidentally existed for half a century. via What Ever Happened to Planet Vulcan? — Longreads Blog

Moon was produced by a head-on collision between Earth and a forming planet

The moon was formed from a violent, head-on collision between the early Earth and a ‘planetary embryo’ called Theia approximately 100 million years after the Earth formed, almost 4.5 billion years ago, UCLA geochemists and colleagues report Jan…. Read More