I am an American evolutionary biologist, based at Rutgers University, where I specialize in biodiversity, evolution, and genomics. Drop me a note, here. Thanks for your readership and support.
Earth formed about 4.5 billion years ago from the dust and gas orbiting the young Sun, coalescing into a molten mass. This period marked the beginning of the Hadean Eon, named after the Greek god of the underworld, Hades, reflecting the hellish conditions prevalent at the time. The Hadean Eon lasted from about 4.5 to 4 billion years ago.
Much like a crème brûlée, as the Earth’s surface gradually cooled, the first solid crust began to form, paving the way for the accumulation of water vapor into vast oceans and the rise of proto-continents. By the end of the Hadean and into the Archean Eon, around 4 billion years ago, the Earth had begun to resemble its current form more closely, with the appearance of landmasses and large bodies of water.
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