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Meteorite exploded over Atlanta and destroyed a roof—scientists say it is 20 million years older than our planet

A very old meteorite landed on a home in Atlanta, but it is even older than Earth! Can you imagine being at your home and ...
Discover Magazine on MSN20h

Earth Formed 4.54 Billion Years Ago – How Do Scientists Know?

How do scientists know how old Earth is? Learn how experts have measured Earth's age, and why it is more difficult to ...