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Earth is older than Mars because both planets formed from the same protoplanetary disk around the Sun, but Earth accumulated mass and solidified earlier due to its larger size and gravitational influence. Geological and radiometric dating of Earth's oldest rocks suggests it formed about 4.54 billion years ago, while Mars formed shortly after but is estimated to be slightly younger, around 4.4 billion years old. Additionally, geological evidence indicates that Earth has undergone more extensive geological processes, affecting its age perception relative to Mars.

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1mo ago

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