#radiometric-dating
history_edu How do we know the Earth is billions of years old?
The Earth is estimated to be approximately 4.54 billion years old, and scientists have arrived at this figure through several methods. One of the... Read more
science How do geologists use isotopic dating to understand Earth's history?
Isotopic dating is a method used by geologists to determine the age of rocks, minerals, and other materials on Earth. It involves measuring the ratio... Read more