An asteroid the size of a football stadium is about to reach its closest point to our planet in more than 100 years and will pass by Earth today at 66,000 km/h.
An asteroid the size of a football stadium is about to reach its closest point to our planet in more than 100 years and will pass by Earth today at 66,000 km/h.
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About 8 billion people live on Earth today, but our planet was not always so crowded. When Homo sapiens likely initially arose, some 300,000 years ago, there were between 100 and 10,000
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