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The earth was created 4.5 billion years ago when a cloud of dust started to orbit around a big flaming ball of gas. The dust soon clumped together and formed into planets, one of these planets is earth.
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The moon was created 4.5 billion years ago, 70 million years after the earth was created. An asteroid the size of mars hit the earth, Some of it was melted and melted on the earth, but the rest ricocheted and started to orbit the earth, this astroid soon became the moon.
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The first evidence of life dates back to 3.5 billion years ago, after the earths crust cooled down and solidified.
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4.4 billion years ago it likely started off with escaping hydrogen and helium. ammonia, methane, and neon came after the crust cooled, and volcanic outgassing added water vapor, nitrogen, and more hydrogen. Some scientist say that ice from comets have also supplied the earth with more water.
