When Was Earth Formed - How to Discuss

When was earth formed

What year was Earth formed, exactly? When the solar system returned to its current configuration about a billion years ago, Earth was shaped by gravity, attracted to gas and dust from the vortex, becoming the third planet from the sun. Like its terrestrial counterparts, Earth has a central core, a rocky mantle and a solid crust.

When did life forms first exist on Earth?

Life forms first appeared on Earth at least a billion years ago, maybe even a billion years or even a billion years, shortly after the formation of the oceans a billion years ago, thousands of years ago, millions of years.