How is the core of the Earth formed?

The Earth is thought to be made of a metallic core surrounded by a silicate shell, but the origins of this structure is one of the outstanding unanswered questions in planetary science. read more

The earth is believed to have formed about 4.5 Billion years ago, when the Solar system was very young in the form of clouds of dust and various gases, so the core of the earth which formed first, may have been from these clouds of dust and gases- This comes from Nebular hypothesis. read more

Earth's rocky core formed first, with heavy elements colliding and binding together. Dense material sank to the center, while the lighter material created the crust. The planet's magnetic field probably formed around this time. read more

This is the Earth’s core, and it protects us from the dangerous radiation of space. When the Earth first formed, 4.6 billion years ago, it was a hot ball of molten rock and metal. And since it was mostly liquid, heavier elements like iron and nickel were able to sink down into the planet and accumulate at the core. read more