Скачать или смотреть These Were The Most Important Events In The History of the Earth

What events were the most important events that ever happened in the history of the earth?

The Earth- a giant hunk of rock and water that's home to the only known life in the universe. It's so vast and old that it seems unchanging, yet it has in fact experienced cataclysmic upheavals and routine facelifts over the course of its 4.5 billion year lifespan. Just like a human being, the earth ages, and as it does it goes through major changes. Hello and welcome to another episode of The Infographics Show- today we're taking a look at the most important events in the Earth's history.

4.5 billion years ago the Earth and most of the solar system was nothing more than a ring of protoplanetary dust circling the sun. However over time gravity gradually drew individual particles of dust together, creating ever larger clumps. Eventually the clumps grew to the size of boulders, then to the size of mountains, and over many millions of years the Earth was formed. Yet this newborn earth was nothing like what you see today, with little if any water and a surface that was perpetually molten. Over millions more years the outer layer cooled however to form a crust, and planetary impacts of comets and asteroids brought all the water that you see today to the Earth from space.

Not long after the Earth's creation it's thought that gravity put it on a collision course with another nascent planet roughly the size of Mars. This planet, named Theia, slammed into the Earth with 100 million times more energy than the impact that wiped out the dinosaurs, and hurled vaporized chunks of both bodies out into space. Gravity eventually bound the ejecta together and created our Moon. This impact gave our planet the tilt it has today, which in turn gives us our four seasons, and helped stabilize its spin- two things which scientists believe were critical for the evolution of advanced life.



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