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All ordinary matter is made up of combinations of chemical elements, each with its own atomic number, indicating the number of protons in the atomic nucleus.

Additionally, elements may exist in different isotopes, with each isotope of an element differing in the number of neutrons in the nucleus.

The discovery gave scientists a tool for dating rocks that contain radioactive elements.

age of solar system from radiometric dating-30age of solar system from radiometric dating-30age of solar system from radiometric dating-82age of solar system from radiometric dating-89

This value is derived from several different lines of evidence.

Scientists determined the Earth's age using a technique called radiometric dating.

Radiometric dating is based upon the fact that some forms of chemical elements are radioactive, which was discovered in 1896 by Henri Becquerel and his assistants, Marie and Pierre Curie.

Some elements decay within nanoseconds while others have projected half-lives of over 100 billion years.

The USGS based their study on minerals that naturally occur in rocks and have half-lives of 700 million to 100 billion years.

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“He tells very elaborate stories and it’s fun to pick them apart to see what’s true and what’s not because he’s a big storyteller,” Nikki said. Instead of saying one simple thing about Rob, Nikki ripped him apart and called him a liar.