The universe is 13,500,000,000 (13.5 billion) years old. The Sun is 4,500,000,000 (4.5 billion) years old. The Earth is 4,300,000,000 (4.3 billion) years old. Life on Earth is 3,800,000,000 (3.8 billion) years old and began in the sea. The Homo genus (eg. Homo Erectus, Homo Habilis, Homo Heidelbergensis etc.) is 3,000,000 (3 million) years old however Homo Sapiens have existed 300,000 years and modern human beings are a mere 10,000 years old...
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