How old is Earth? How old is our Solar System?
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approximately 4.5 billion ago earth was fomed
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1= 4.543 billion years
Earth is estimated to be 4.54 billion years old, plus or minus about 50 million years. Scientists have scoured the Earth searching for the oldest rocks to radiometrically date. In northwestern Canada, they discovered rocks about 4.03 billion years old.
2= Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust.
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