What is the age of the Earth?
Understand the Problem
The question asks for the age of the Earth. This is a straightforward factual question that requires knowing or finding a specific numerical value representing the Earth's estimated age.
Answer
The Earth is approximately 4.54 billion years old.
The Earth is estimated to be approximately 4.54 billion years old. This age is based on radiometric dating of meteorites and Earth materials.
Answer for screen readers
The Earth is estimated to be approximately 4.54 billion years old. This age is based on radiometric dating of meteorites and Earth materials.
More Information
The age of the Earth is similar to the age of the solar system. Scientists use radiometric dating techniques on meteorites, which are considered remnants from the early solar system, to determine the Earth's age.
Tips
A common mistake is to confuse the age of the Earth with earlier, inaccurate estimates, such as those made by Lord Kelvin in the 19th century. These were based on different methods and lacked the precision of modern radiometric dating.
Sources
- Age of Earth - Wikipedia - en.wikipedia.org
- How old is the Earth? | The Planetary Society - planetary.org
- Age of Our Earth: 6000 or 4.5 billion years old? - Notre Dame Sites - sites.nd.edu
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