Radiometric dating and the age of the earth

Samples of the meteorite show a spread from 4.53 to 4.58 billion years.Scientists interpret this range as the time it took for the solar system to evolve, a gradual event that took place over approximately 50 million years.

In her free time, she homeschools her four children.However, because plate tectonics constantly changes and revamps the crust, the first rocks have long since been recycled, melted down and reformed into new outcrops.In the early 20th century, scientists refined the process of radiometric dating.Since the planet Earth doesn't have a birth certificate to record its formation, scientists have spent hundreds of years struggling to determine the age of the planet.By dating the rocks in the ever-changing crust, as well as neighbors such as the moon and visiting meteorites, scientists have calculated that Earth is 4.54 billion years old, with an error range of 50 million years.

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  1. caught up with the mother of four to chat about her guilty pleasures, dating habits at 50 and if she'll ever walk down the aisle again. I watch —I would say reality TV is one of my guilty pleasures. I’ll go and buy something just to say I got a deal! It hurts me more to pay retail than to go to the Chanel sample sale and get something at a bargain. My career is always very active, so it’s important to find someone who sees the importance of my career, the demands of my children and that’s a lot of the criteria right there and also the chemistry. Once you find that out, you have to find time to be together.